Welcome to Putter key
Years ago, teenage marksman David Englefield lay on a shooting range mat, the weight of his team’s victory on his shoulders. One perfect shot, dead center, taught him a lesson that would echo for decades: precision changes everything.
A Revolutionary Idea Takes Shape
After countless prototypes, David sent his creation to Alex Cardinal, a world-class golf coach. The response? “It works.” Together, they refined the Putter Key, turning it into a tool that transforms putting forever.
A Team with Heart
Behind the Putter Key is a team of dreamers and doers—golf pros, business leaders, and innovators, united by a passion for the game. From PGA Tour players to marketing experts, each brought their unique expertise to make this vision a reality.
Did you know?
A 2-degree face angle error causes putts to miss by over 2 inches — from just 5 feet away.
the fix
The Putter Key's precision alignment system eliminates those costly mistakes before they happen.
how it works
Three fundamentals. One tool. Center, aim, and path — corrected in seconds using patented shape-based design.
Built for real golf
Lightweight carbon fiber. Applies in seconds. No changes to your routine.
Improve Accuracy
Dial in your aim and start every putt on the correct line with confidence.
Explore NowBuild Consistency
Train your stroke to repeat the same motion every time for more reliable results on the green.
Build NowPractice Anywhere
Compact and easy to use at home, on the course, or during warmups.
Start Now
