n Kushin gwiwar gwiwar hannu yana nitsewa, yana daidai da ƙa'idodin ƙirar ergonomic.
∎ An sanye shi da takalmi na ƙafa don sauƙin shiga da daga na'ura mai amfani.
∎ madaurin wuyan hannu masu laushi suna rarraba ƙarfi daidai gwargwado akan idon sawu, yana rage jin matsi.
