Wyrmfang Amulet

This necklace consists of a leather thong strung with dragon’s teeth.

All attacks you make with natural weapons or unarmed strikes while wearing this amulet overcome damage reduction as through they were magic weapons. (The attacks don’t gain an enhancement bonus, just the ability to overcome some creatures’ damage reduction.)

Prerequisites: Craft Wondrous Item, greater magic fang.

Cost to Create: 675 gp, 54 XP, 2 days.

Source: Magic Item Compendium, page 148. Originally published in Draconomicon, page 121, at a higher market price.