Nge-karabiner O-Ring, unokuthatha ngokulula ibhotile yokuzivocavoca kwi-backpack, ibhayisekile, okanye ibhegi yokuhamba.Sebenzisa ngokugqibeleleyo ukukhawuleza kunye nokukhululeka ngakumbi kwaye ugcwalise ukufuma, ngexesha nasemva kokusebenza ngaphandle.