Lightsaber

A Lightsaber is a solid, despite its laser-like appearance, weapon used by the police. It is similar to a nightstick or baton in manner and is used by hitting the subject. A variant of it was made which instead of being hard emits a laser to cut through most surfaces. This model can be used as a hitting stick for a, a cooking implement for peeling potatoes, dueling with, and for cutting through spaceships. Martians use similar objects for arrows.

Trivia

 * This weapon is quite obviously based on the lightsaber from Star Wars.

Appearances
The blunt weapon appears with episode marked with a (B)
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