This black iron shield with gilt edges allows your allies to make long-range attacks with less risk.
Arms Slot: Heavy shield 4,200 gp
Allies adjacent to you gain a +2 shield bonus to AC and Reflex against opportunity attacks provoked by using ranged or area powers.
Power Daily (Immediate Interrupt)
Trigger: An ally adjacent to you provokes an opportunity attack by using a ranged or area power.
Effect: The opportunity attack targets you instead.
Published in Adventurer's Vault 2, page(s) 54.