Kujirahada

is a large magatama-shaped sword that belonged to the Seven Pupils of the Mist. The sword is black and white and covered with bandages on its knob there is a malleable iron blade which takes the distance between the wielder arms, varying from person to person and that is sharp enough to easily cut the flesh the wielder's opponents. This sword has the ability to amplify the wielder's chakra allowing their to throw itself through the chakra flow of the sword, increasing its reach and damage. Every time the chakra is released through the magatama-shaped sword (which resembles a fin of a whale) the bandages are cut due to the sharp shape that the chakra takes. Only users with great control over their chakra can carry this sword, since in addition to amplify the wielder's chakra the sword can also drain it. Because of this, only the wielders who demonstrate talent in using it later are able to master Hiramekarei.