To answer some of the points raised previously. The advantage over glue is that GripGrip will not cause the grip to disintegrate when removing it, or as is sometimes the case, just in general use. I know that sometimes the only reason for removing a grip is because it is worn and you need a new one, but i find old grips incredibly useful, often to use underneath new ones for people who wants 2 or 3 grips on their bats, but also when cut into little rings, a bat grip acts as a good clamp for bat repairs.
Jake