Kama- more easily concealable, less flashy than a sword, but not nearly as iconic.
Kunai is an ancient Japanese gardening tool, like a trowel. Only the tip is sharpened. Better for stabbing or thrusting, but can be used as a throwing weapon.
Do You Know Your Glaive-Guisarme From Your Bohemian Earspoon?
Martial Arts Weapons
Everything a Ninja needs
Ka-Bar John EK44 Commando Knife Fixed Blade @thistookmymoney
Post-Apocalyptic Fashion. This could come in handy for those up close and personal moments