Amulet Spade's Crystal Pencil

The Crystal Pencil is used by Amu as "Amulet Spade" to perform a technique called "Rainbow Design" It is used to paralyze her target and neutralize hypnosis.

Trivia

 * It only appears in the anime.
 * Miki revealed to have a similar crystal pencil to make amu's dress in the stage in episode 16.