Tessen

Japanese War Fans, or Tessen is a weaponized Japanese hand fan designed for use in warfare. Several types of war fans were used by the samurai class of feudal Japan and each had a different look and purpose.

Overview
This looks like a simple folding fan. but is made of steel or iron. They never think it's a weapon at first glance, so you get a +3 surprise bonus ta initiative the first round. There are special techniques for using it opened or closed, to Strike or Hold or Choke. (1D6+2 damage). Also keeps you cool when it's really hot.

Style: Animal Kung Fu, Choi Li Fut, and Ninjutsu

Reference
PASQUARETTE, C. "Pacific Rim Sourcebook". 1st ed. Berkeley CA: R. Talsorian Games, 1994