String Theory Putting Trainer – Men’s 35"
This will teach you the one thing every golfer needs but no other product truly provides: the correct putting motion.
Because you must create centrifugal force to make this putter work, your body automatically learns the smooth, repeatable stroke that eliminates inconsistency—and even helps golfers lower their handicaps.
No complicated drills.
No overthinking.
Just pure, physics-driven feedback that makes you a better putter every time you use it.
Please note: This is a training aid only and is not intended for use during official rounds of play.
- Develops perfect rhythm — the key to consistent putting.
- Provides instant, flawless feedback with every swing.
- Works with any putting style or grip — no forced positions.
- You can even hit real balls with it.
- Quick, fun, and effortless to use.
- Compact and travel-friendly — fits easily in your golf bag.
- No setup, no attachments, no programming — just swing and train.
- Pairs perfectly with other training tools like putting mirrors.
Men's RH - Red Grip
Length: 35''
For a limited time, we are offering free shipping on all domestic orders. Orders are processed and fulfilled within 3 to 5 business days from our warehouse in New York.
We offering a 30 day return policy on all orders, if you are unhappy with the String Theory Putter, reach out to us within 30 days for a full refund. Visit our policy for more information.
- Easy to pack – fits into small or medium standard size boxes –like those for books or binders.
- Easy to ship – no club boxes necessary.
- Easy to shelve –can put box onto wall or rack via hook.
- Customers can try it right on the practice green to get the full effect.
The String Theory Putter allows the user to apply their new skills to any style of putter or method, enabling customers to purchase the putter of their preference. The feel of a true swinging motion is universally applicable!
