Here is a new item for ninjas (based on GURPS Dungeon Fantasy 12: Ninja.) Why? Just because.
Kame no Yoroi (亀の鎧)
Made from the shell of a man-sized subterranean turtle, this is a piece of torso armor. It consists of a turtle-shell back and a turtle-belly front place. It gives DR 4 from the front arc, DR 8 from the back and side arcs. Anyone can wear the kame no yoroi, but ninja get additional benefits:
Ninja Talent 1+: Wearer gains either Acrobatics @ DX or Acrobatics +2, whichever is higher. Also gives +2 to Jumping skill.
Ninja Talent 3+: Wearer gains a +1 to one of the following skills - Broadsword, Flail, Jitte/Sai, or Staff. Which skill is specific to a specific suit of kame no yori.
Ninja Talent 5+: Wearer gains Rapier Wit.
The kame no yoroi is sometimes enchanted with Fortify, Deflect, and/or Lighten.
Weight: 10 lbs.