{"product_id":"mystle-speed-founders-edition","title":"Mystle Speed — Activates on Ideal Clubhead Speed","description":"\u003ch2\u003eCommit to the swing. Hear the result.\u003c\/h2\u003e\u003cp\u003eMystle Speed is designed for golfers who want to develop confident acceleration through the hitting zone.\u003c\/p\u003e\u003cp\u003eIts patent-pending passive airflow design requires the swing to reach its intended operating range before producing audible feedback. Swing with enough speed and hear the result. Fall short and the sound stays quiet—giving you a clear cue to commit and accelerate.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eLimited Founders Edition. Founders poker chip included while supplies last.\u003c\/strong\u003e\u003c\/p\u003e\u003ch3\u003ePrimary Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRewards acceleration:\u003c\/strong\u003e Audible feedback activates only when the swing reaches Speed’s intended operating range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilds commitment:\u003c\/strong\u003e The quiet cue encourages the golfer to commit fully through the hitting zone.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImmediate feedback:\u003c\/strong\u003e Hear the result during the motion instead of checking a screen afterward.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple to use:\u003c\/strong\u003e Attach it correctly, make committed swings, and listen.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompletely passive:\u003c\/strong\u003e No batteries, sensors, speakers, charging, or app.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact design:\u003c\/strong\u003e Approximately the width of a quarter.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow Speed Works\u003c\/h3\u003e\u003cp\u003eAs the driver moves through the air, airflow enters Speed’s front opening and interacts with its internal chamber. Below its intended operating range, the device stays quiet. When the swing reaches that range, audible feedback activates—giving the golfer a clear, real-time signal that they committed through the zone.\u003c\/p\u003e\u003cp\u003eSpeed does not calculate or display exact swing speed. It provides a simple audible training cue.\u003c\/p\u003e\u003ch3\u003eMystle Model Comparison\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eFeedback Behavior\u003c\/th\u003e\n\u003cth\u003eBest For\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotion\u003c\/td\u003e\n\u003ctd\u003eProduces immediate feedback across a broad swing range\u003c\/td\u003e\n\u003ctd\u003eEasiest Mystle, general rhythm, warmups\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTempo\u003c\/td\u003e\n\u003ctd\u003eIntended sound drops out when the swing becomes too fast\u003c\/td\u003e\n\u003ctd\u003eControl, smoother pacing, rushing awareness\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeed\u003c\/td\u003e\n\u003ctd\u003eRequires the intended swing speed before activating\u003c\/td\u003e\n\u003ctd\u003eConfident acceleration and speed development\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMini\u003c\/td\u003e\n\u003ctd\u003eCompact, speed-activated design\u003c\/td\u003e\n\u003ctd\u003eMinimal size and portable practice\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cem\u003eChoose Motion if you want the easiest Mystle experience. Choose Speed if you want the sound to reward your commitment through the zone.\u003c\/em\u003e\u003c\/p\u003e\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e1 Mystle Speed Founders Edition training aid\u003c\/li\u003e\n\u003cli\u003e1 protective ring-style storage case\u003c\/li\u003e\n\u003cli\u003e2 double-sided adhesive mounting squares\u003c\/li\u003e\n\u003cli\u003e1 quick-start instruction card\u003c\/li\u003e\n\u003cli\u003e1 Mystle Founders poker chip \u003cem\u003ewhile supplies last\u003c\/em\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFounders Launch Bonus:\u003c\/strong\u003e Receive a collectible Mystle Founders poker chip while supplies last.\u003c\/p\u003e\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eEdition\u003c\/td\u003e\n\u003ctd\u003eFounders Edition\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFootprint\u003c\/td\u003e\n\u003ctd\u003eApproximately 27 × 27 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal body height\u003c\/td\u003e\n\u003ctd\u003eApproximately 6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003ctd\u003eCurved to follow the driver crown\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003ePCTG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFeedback\u003c\/td\u003e\n\u003ctd\u003ePassive audible airflow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectronics\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBatteries\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApp\u003c\/td\u003e\n\u003ctd\u003eNot required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIntended club\u003c\/td\u003e\n\u003ctd\u003eCompatible drivers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturing\u003c\/td\u003e\n\u003ctd\u003eSmall-batch additive manufacturing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePatent status\u003c\/td\u003e\n\u003ctd\u003ePatent pending\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eCorrect Placement Matters\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003eClean and dry the forward crown of the driver.\u003c\/li\u003e\n\u003cli\u003eApply one double-sided adhesive square.\u003c\/li\u003e\n\u003cli\u003eCenter Speed above the middle of the clubface.\u003c\/li\u003e\n\u003cli\u003eRotate the device so its front wall is square and parallel with the clubface.\u003c\/li\u003e\n\u003cli\u003eAlign the front wall directly above the clubface edge.\u003c\/li\u003e\n\u003cli\u003eDo not allow the device or adhesive to overhang the face.\u003c\/li\u003e\n\u003cli\u003eMake sure the opening faces forward and remains unobstructed.\u003c\/li\u003e\n\u003c\/ol\u003e\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Incorrect placement may change the sound or prevent Speed from functioning as intended.\u003c\/p\u003e\u003ch3\u003eSafety Information\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eUse only in a clear, controlled practice area.\u003c\/li\u003e\n\u003cli\u003eConfirm the device is securely attached before every session.\u003c\/li\u003e\n\u003cli\u003eBegin with controlled practice swings.\u003c\/li\u003e\n\u003cli\u003eKeep other people outside the swing area.\u003c\/li\u003e\n\u003cli\u003eDo not allow the device to extend over the clubface.\u003c\/li\u003e\n\u003cli\u003eDo not intentionally strike the device.\u003c\/li\u003e\n\u003cli\u003eStop using it if it shifts, loosens, or becomes damaged.\u003c\/li\u003e\n\u003cli\u003eReplace the adhesive when adhesion weakens.\u003c\/li\u003e\n\u003cli\u003eKeep the device clean and dry.\u003c\/li\u003e\n\u003cli\u003eRemove it before regular play unless its use is permitted and it has been properly secured.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eDoes Speed measure swing speed?\u003c\/strong\u003e\u003cbr\u003eNo. Speed contains no electronics and does not calculate or display a numerical swing speed.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat happens if I don’t swing fast enough?\u003c\/strong\u003e\u003cbr\u003eThe device stays quiet below its intended operating range. That silence is the cue—commit more fully through the zone and listen for the feedback to activate.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes Speed guarantee more distance?\u003c\/strong\u003e\u003cbr\u003eNo training aid can guarantee a swing change. Speed provides an additional audible cue that can help golfers become more aware of acceleration and commitment through the hitting zone.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow is Speed different from Motion?\u003c\/strong\u003e\u003cbr\u003eMotion produces feedback across a broad range of swing speeds and is the easiest Mystle to activate. Speed requires the swing to reach its intended range before feedback activates—making it more demanding and specific.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it need batteries or an app?\u003c\/strong\u003e\u003cbr\u003eNo. Speed is powered entirely by airflow.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhere does it attach?\u003c\/strong\u003e\u003cbr\u003eSpeed attaches to the forward crown of a compatible driver, centered above the hitting area with its front wall aligned square to the clubface.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I use it on any driver?\u003c\/strong\u003e\u003cbr\u003eDriver shapes, crown materials, and finishes vary. Correct fit and adhesive compatibility cannot be guaranteed for every club.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy does the sound vary?\u003c\/strong\u003e\u003cbr\u003eSound can be affected by swing motion, placement, driver geometry, environmental conditions, and the individual device.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the Founders poker chip guaranteed?\u003c\/strong\u003e\u003cbr\u003eIt is included only while supplies last.\u003c\/p\u003e\u003ch3\u003eFounders Edition Notice\u003c\/h3\u003e\u003cp\u003eThis product is part of Mystle’s limited first production release. Each device is additively manufactured in small batches, so minor surface variations, visible layer lines and cosmetic differences are normal. Sound, fit, adhesion and performance may vary depending on the golfer, club, placement and practice conditions. Mystle provides audible practice feedback but does not measure exact swing speed, electronically analyze the swing or guarantee improvements in tempo, speed, accuracy, consistency or distance. Correct installation and secure adhesion are required before every controlled practice session. Compatibility with every driver or hybrid is not guaranteed. A Mystle Founders poker chip is included while supplies last.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eCommit to the swing. Hear the result.\u003c\/em\u003e\u003c\/p\u003e","brand":"Mystle","offers":[{"title":"Default Title","offer_id":52143638053154,"sku":"MYS-SPD-FE-001","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/9083\/9330\/files\/6D1A0897-175D-46FC-B908-95830145CE02.png?v=1785598291","url":"https:\/\/mystlegolf.com\/products\/mystle-speed-founders-edition","provider":"Mystle Golf","version":"1.0","type":"link"}