TSA Indicator & Constrictor Function Luggage Strap Imported Patent Constrictor Function-Users can fasten luggage by only pulling the strap without unlocking.The strap would be tighter to protect luggage from any unexpected force to loosen. TSA approved which allows luggage to be opened for inspection without damaging the lock. 3-dial combination which can set 1,000 sets personal combinations. Indicator Function which helps user to recognize easily if the lock has been opened for inspection.