ʻO ka hui pū ʻana o ka lāʻau pulu (ML, i kapa ʻia hoʻi ʻo LM) ua hana ʻia me ka hui semi-shaft me ka maiʻu like ʻole a me ka mea hiki ke hoʻohana ʻia. ʻike i ka pili ʻana o ʻelua mau mea semiaxis. Ua uku ʻia e nā axle ʻelua e pili ana i ka skew, e hōʻemi ana i ka haʻalulu ʻana.