To place ending cg in a leverage position approx 3 3/8 from ones pap.
This gives a reaction that is very strong and hard hitting.
Other ending cgs and characteristics are axis weight, smooth and even.
Grip center is early and snappy.
Negative = early and archy
Bottom weight and side = even and early.
REgards,
Luckylefty
Summary, top, side and finger enhance reaction.
Bottom, negative side and thumb = reaction is earlier and more even.