The Savant of Speed
The Stack System provides dynamic programming directly from golf's leading biomechanist. Speed training secrets previously reserved for Tour players, now available to you.
Precision Hardware
5 CNC milled Stack weights combine with a custom engineered shaft & hardware to create 30 unique combinations for unlocking dynamic variable inertia speed training.
TheStack App
Training made easy with this award winning App. Guided programs, timers, effortless data-entry, and track key metrics on your speed journey.
Dynamic Training
Programs designed in the lab - and proven on Tour - that respond dynamically as you level up your speed. Coupled with flexible hardware, A.I. powered algorithms enable optimal training regardless of where you are on your golf journey.
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
- Speed radar not included
TheStack App Training
- 2-year License included, accessible on iOS only.
- 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
- Includes Single User License - Enables training and tracking for up to twenty local (i.e. family) users under one login. App works with Family Sharing so the entire family can train easily on separate devices
- Multi-user Coaches License license sold separately.
Access TheStack App from the App Store when your order arrives. Requires iOS 15.0 or later.
WARNING: Cancer and Reproductive Harm. For more information go to www.P65warnings.ca.gov