Ndi karabiner O-Ring, mutha kutulutsa botolo la masewera olimbitsa thupi mosavuta m'chikwama, njinga, kapena chikwama chapaulendo.Gwiritsani ntchito bwino kuti muzitha kuthamanga mwachangu komanso momasuka ndikuwonjezera chinyezi, panthawi komanso mukatha kuchita masewera olimbitsa thupi panja.