These button training aids are actually designed to be used on a putter like in this example and make for a really good centre strike training aid . As you can see in the putt that I hit, if you are even slightly off centre the ball will hit the rounded part of the button and shoot off in a random direction . I tried it on an iron as well but it came straight off on the first shot but with a putter it stayed on for the whole time I was practicing with it . Im surprised that something like this h

Best putter grips in the game | SuperStroke Golf