TheStack Swing Speed Trainer

Golf speed training system used to improve clubhead speed for distance gains. Compatible with Rapsodo MLM2PRO and MLM1. 5 milled Stack weights enable 30 weight combinations between 0g and 300g Dual-purpose weight case / phone stand With MLM & MLM2PRO’s R-speed platform, the Stack System can be used to measure and improve swing speed without ball impact, ultimately leading to distance gains. Highly engineered training club Adult Sizing - 41.5" Junior Sizing - 38.5" TheStack App Training Rated 4.9 with over 4,200 Reviews on App Store 1-year License included, accessible on iOS, Android and Chrome Web. Dynamic speed training formulated by Dr. Sasho MacKenzie Guided workout timer for reps, sets, and rest intervals Custom speed metrics to track your gains Hands-free data entry using voice entry technology for non-integrated devices Bonus: Bundled access to Stack Putting ($59 value) Enables training and tracking for up to twenty local (i.e. family) users under one login.  App wo