The sickle and the club are two distinct weapons, but each deals the same amount of damage (slashing damage for the sickle, and bludgeoning for the club) and possesses the "light" property.
Problem is, Dokuro is very temperamental, and is constantly killing Sakura (and lots of other people too) in incredibly bloody ways with her giant spiked club. Good thing she can bring people back ...
ALSO READ: Three held for bludgeoning dog to death Two video clips ... The video showed two men, one wielding a wooden club and the other a long staff, bashing and stabbing the mongrel.