User blog comment:RoyalGuard-Elite/Kenpachi Shikai/@comment-9365367-20130914170247/@comment-11051098-20130914224006

Every Zanpakutô has a different tsuba. Maybe there's other differences, but at least the tsuba. Maybe Kenpachi's Zanpakutô just developed that particular kind of tsuba, and the wrapping around the hilt and sheath.