Curious. I haven't used glue in forever. A bit of softsoap in a cup of water to get the grip to slide on and that's it. After a day to dry the grips have never moved, heated or not. Never had a grip slide or move in any way even after wearing the entire surface off.Use glue. If you dont, they can break loose when they get hot. Especially if water is involved. Some people skip the glue part. That works well, until it doesn't.