Rau khi down straps ratchet , txhua leej txhua tus muaj kev txhawj xeeb tshwj xeeb txog nws, thiab peb ua dab tsi yog ua kom cov khoom yuav tsum tau ntawm txhua tus neeg muas zaub, yog li qhov zoo ntawm peb khi down straps ratchet tau txais zoo los ntawm ntau cov neeg muas zaub thiab nyiam lub koob npe nrov nyob rau hauv ntau lub teb chaws. Lishenflex khi down straps ratchet muaj cov yam ntxwv tsim & kev ua tau zoo & tus nqi sib tw, yog xav paub ntxiv ntawm khi down straps ratchet , thov koj xav tiv tauj peb.