Lipalo tsa rona li ne li ka hokahanngoa le li-clamp, hape li ka hokahanngoa ka li-screw tsa tšepe, boholo ba khoele bo ka etsoa ho latela tlhoko ea hau, "screw-fit" ena e ka etsa hore palo ea hau e be bolelele bofe kapa bofe boo u bo batlang.
Li-screws li ka ba ka aluminium, e se nang letheba, thepa ea polasetiki.Li-screws tsa banna le basali li ka tšoana hantle, li-anti-twist le tse matla hoo li ke keng tsa robeha.