I -ratchet yesithuthuthu ibopha phantsi imitya luyilo olutsha, ngokusebenzisa itekhnoloji egqwesileyo yokusetyenzwa kunye nemathiriyeli ekrwada ekumgangatho ophezulu, ukusebenza kweratchet yesithuthuthu kubopha imitya ukuya kumgangatho ophezulu. Sigqibelele kuzo zonke iinkcukacha zeratchet yesithuthuthu ebopha imitya , isiqinisekiso somgangatho, ukuze sikuzisele amava emveliso agqibeleleyo. I-Lishenflex yingcaphephe yesithuthuthu yaseTshayina yokubopha imitya phantsi komenzi kunye nomthengisi, ukuba ufuna eyona ratchet yesithuthuthu ibopha imitya ngexabiso eliphantsi, dibana nathi ngoku!