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