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