Several images of stylized anchors cover this strangely dense-looking armor.

When wearing armor or a shield that has this property, you are difficult to move from your position during a fight. You gain a +5 enhancement bonus on any ability check to resist a bull rush, overrun, or trip attack.

Prerequisites: Craft Magic Arms and Armor, bull’s strength.
Cost to Create: 500 gp (plus 150 gp for base item), 40 XP, 1 day.