When you and an ally fight together, the power of these gauntlets heightens both your attacks.
Hands Slot 2,600 gp
Power Daily (Minor Action)
Trigger: Until the end of the encounter, while you're flanking an enemy, you and the ally flanking with you gain an additional +1 bonus to attack rolls against that enemy.
Published in Adventurer's Vault 2, page(s) 95.