Costumagus' Needle

 is a tool.

Obtaining

 * Bought for 1,000 kamas from
 * Hel Munster at [-5,-12] in Treechnid Forest


 * Quest reward
 * Mage Quest

Uses

 * Profession
 * Costumagus


 * Used in the craft of
 * Unlearning Potion for Profession: Costumagus