Ninja handsigns, referred to as kuji, are believed to provide spiritual and mental strength. There are nine distinct seals recognized by ninjas, each represented by specific hand signs. These seals include designs such as the seal of the thunderbolt, inner and outer lions, and the wisdom fist.

1. N I N J A
N I N J A
N I N J A
H A N D S I G N S
H A N D S I G N S
H A N D S I G N S

2. Ninja handsigns, known as kuji in was
thought to be the source of a ninja’s
powers of spiritual and mental strength.
There are nine different seals
performed by ninja in the form of hand
signs.

3. Rin
Seal of the
thunderbolt

4. Pyo
Seal of the great
thunderbolt

5. To
Seal of the outer
lion

6. Sha
Seal of the inner
lion

7. Kai
Seal of the
outer bonds

8. Jin
Seal of the
inner bonds

9. Retsu
Seal of the
wisdom fist

10. Zai
Seal of the ring
of the sun

11. Zen
Seal of the
hidden form