TheStack Swing Speed Trainer

  TheStack Hardware 5 milled Stack weights enable 30 weight combinations between 0g and 300g Dual-purpose weight case / phone stand Highly engineered training club - Adult (41.5") or Junior (38.5") version (see Fitting Juniors) Speed radar not included.  View all compatible devices here.  We recommend bundling with Stack Radar TheStack App Training Includes 1-Year Membership to TheStack App, accessible on IOS Adaptive speed training formulated by Dr. Sasho MacKenzie Guided workout timer for reps, sets, and rest intervals Custom speed metrics to track your gains Bluetooth Connectivity to integration devices.  Hands-free data entry using voice entry technology for non-integrated devices Includes access to Stack Putting ($59 value) - Learn more Includes Single User License - Enables training and tracking for up to five local (i.e. family) users under one login. App works with Family Sharing so the entire family can train easily. Multi-user Coaches License license sold separately.