Hiromi Amada ( Amada Hiromi, born May 10, 1973) is a Japanese kickboxer, born in Gunma, Japan. He made his K-1 debut in 1999 with a unanimous decision win over John Wyatt. On his first K-1 tournament at K-1 Spirits 1999 he made it to the final where he first time met his career long rival, Musashi and suffered his first loss.

Shuriken ( lit: "hand hidden blade") is a traditional Japanese concealed weapon that was used for throwing, and sometimes stabbing. They are small, sharpened, hand-held blades made from a variety of everyday items, such as needles, nails, and knives, as well as coins, washers, and other flat plates of metal.

The chakram (Devanāgarī) is a throwing weapon that was used by the ancient Indians; it is a flat metal ring with a sharp outer edge from 5 to 12 inches (13−30 cm) in diameter.

A blowgun or blowpipe is a simple weapon consisting of a small tube for firing light projectiles, or darts. The wielder blows into one end, forcing the dart out the other.