Every putt should have the same rhythm. It is only the length of the stroke that changes for different putter head speeds through the impact zone. So take the putter back farther for longer putts BUT keep the same rhythm, just like a child on a swing.
For more details refer to “The Fundamentals of Putting” (Chapter 8, Rhythm) and also try the extremely well balanced and forgiving Frankly Frog putter — with an innovative design concept, introduced in 2004 by Frankly Golf, which has inspired other manufacturers to follow.
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