Ngeminyaka yamava kwi- strap yokuvelisa kunye ne-ratchet , Lishenflex inokubonelela uluhlu olubanzi lwentambo kunye ne-ratchet . strap kunye ne-ratchet inokuhlangabezana nezicelo ezininzi, ukuba ufuna, nceda ufumane inkonzo yethu ye-intanethi ngexesha elifanelekileyo malunga ne-strap nge-ratchet . Ukongeza kuluhlu lwemveliso engezantsi, unokwenza ngokwezifiso umtya wakho owahlukileyo ngeratchet ngokweemfuno zakho ezithile.