Bone Totem Necklace
Uncommon wondrous item
(3 charges) When you hit someone with a melee attack, you can expend a charge to restrain them with bones rising from the ground beneath them (escape DC 10+WILL or any bludgeoning dmg)
RECHARGE: Place it in the ground overnight with 12 bones around it in a circle.
Worn by leaders of Orc warbands or distinguished orc warriors, and created from the bones of their strongest foe.