Treadfast Beak

 is a bone.

Obtaining

 * Dropped by
 * Treadfast

Uses

 * Used in the craft of
 * Bubotron Mask
 * Bzzzinga Headband
 * Count Harebourg's Boots
 * Nocturnowl Boots
 * Sinistrofu Amulet
 * Treadfast Belt