Add the KewLock to your ISOâ¢-Grips or ISOâ¢-Flame Grips and have a convenient and safe place to put your helmet when you leave your bike. This trick little device adds both a locking helmet holder to the end of your grips as well as functions as a bar end weight to assist in stabilizing. Simply slide your helmet D Ring into the slot or use the provided helmet lock extension and lock it in.