Yes indeed. Helps in all strokes.
I use a 33" putter and actually hold it down near the steel (I'm 5'11"). Very much like Crenshaw's setup. Makes it very easy to reach full extension past impact. An underhand toss with the right hand. Makes it very easy to learn PP#2 as well (focus grip in last three fingers of left hand, try some left hand only putts with float loading and a light grip).
'click'
'click'
'click'
Makes those prof 90's sound like tour editions off the putter
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