Price (Item Level): 500 gp (3rd) (least), 3,000 gp (7th) (lesser), or 5,000 gp (9th) (greater)
Body Slot: — (armor crystal)
Aura: Moderate; (DC 18) abjuration
Activation: —
Weight: —
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.
Least: This augment crystal grants you a +2 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).
Lesser: As the least crystal, but the bonus is +5.
Greater: As the least crystal, but the bonus is +10.
Prerequisites: Craft Magic Arms and Armor, freedom of movement.
Cost to Create: 250 gp, 20 XP, 1 day (least); 1,500 gp, 120 XP, 3 days (lesser); 2,500 gp, 200 XP, 5 days (greater).
Source: Magic Item Compendium, page 25.