Tiger Woods stated in "How I Play Golf" that he grips the putter under the heel pad of the left hand.
"under the butt of the left hand", he says??? I think it's less in the palm but not under the heel.
My golf buddy grips his putter like he grips all other clubs, and he's a decent player, so I guess it up to you. But I think in the palm of the left hand is classic. You can have your forearms on plane and the back of the left hand corresponding(?) with the putterface.
Tiger Woods stated in "How I Play Golf" that he grips the putter under the heel pad of the left hand.
"under the butt of the left hand", he says??? I think it's less in the palm but not under the heel.
My golf buddy grips his putter like he grips all other clubs, and he's a decent player, so I guess it up to you. But I think in the palm of the left hand is classic. You can have your forearms on plane and the back of the left hand corresponding(?) with the putterface.
I'm fairly positive he said under the heel pad. Of course, he may have changed this since the book. I'm personally in agreement with you as far as gripping it more in the palm of the hand; there's less play in the wrists, which is big for me as far as consistency is concerned.
Getting the grip completely under the heel pad of the left hand causes some severe deformities of alignments that I see all the time. For one the player's putter is never soled properly. The toe will always be up. Putting in this way over an extended period will create right alignment more often than not.
Getting number 3 loaded up will also get the forearms out of plane which will now have the shaft and arms out of plane and "hurt" (possibly destroy) the flying wedges.
If it feels uncomfortable lying under the thumb pad (zeroing out #3) then get the putter setting a little under the heel pad. But look, look in front of a mirror at your address postures to make certain you don't create any severe misalignments of the above.