Super Grip Lock Deadbolt Accessory 3 Pack SUPER GRIP LOCK: Stop intruders from unlocking your door at home or when traveling. It works on most deadbolts used in homes, apartments, hotels and motels. Rent or stay in a hotel or motel strangers already have your key. Protect yourself and help reduce crime. MANY USES: It works on most deadbolts used in homes, apartments, hotels and motels. USE WHILE TRAVELING: If you rent or stay in a hotel or motel strangers already have your key. Protect yourself and help reduce crime. STOP BUMP KEYS: Bump keys sold online open locked doors nearly as fast as a working key. Super Grip Lock makes deadbolts key andpick proof it also stops lock picks, passkeys, pass cards and duplicate keys from unlocking your door. HOW IT WORKS: Stand at your door and hold the deadbolt handle in the locked position, no one can unlock your door, Super Grip Lock does that job for you. No one can unlock your door when properly attached even if the intruder has your key. Attach and wrap as printed and directed on the strap.