I've been very happy with just my 555 Mini-Grip/s that I've had for several years now. Haven't felt the need for one of the full-sized Grips (yet). Some people have expressed dislike for the smaller Mini-Grip due to their larger hands not being comfortable on the handle, and getting all four fingers on the knife, but my hands (my hand size is between a medium and large for most gloves) are perfectly sized for the Mini.