All the hues of the rainbow—and many more—shimmer and dance across the surface of this multifaceted crystal.

A crystal of glancing blows causes your armor to turn aside grasping attacks.
This augment crystal grants you a +10 competence bonus on grapple checks to prevent a grapple from being initiated (but not any other kind of grapple check, including those to initiate or escape a grapple).

Prerequisites: Craft Magic Arms and Armor, freedom of movement.
Cost to Create: 2,500 gp, 200 XP, 5 days.