Minifig Neckwear Armor Breastplate with Shoulder Pads Shaped as Batwings, Front Stud and Connection Holes on Back

Reference

34730

Minifig Neckwear Armor Breastplate with Shoulder Pads Shaped as Batwings, Front Stud and Connection Holes on Back (part 34730) is a LEGO element. CollectORbuild's catalog records it in 2 sets, including Mystery Castle and The Joker Manor.