Once you get the groove in the right spot on your thumb it makes using the same anchor feel very comfortable.
K
Karey
This knob is a lot better to grip with thumb.
L
Lex Kinghorn
different but a nice feel.
it takes alot more to get it in position but once you do it feels good and is very repeatable. size feels right and being a little smaller then the original nob on the button is a nice change.