Birds of Prey - Margot Robbie / Movie Screen Worn/Used Props / COA. Birds of Prey Warner Bros. Pictures, 2020 - Harley Quinn's Ankle Restraints. This set of ankle restraints was acquired by the production for use in'Birds of Prey' Warner Bros. This prop is Harley Quinn's (Margot Robbie) ankle restraints.This ankle restraints are made of plastic cuffs with metal chain, plastic cuffs is little bigger and metal chain is longger than for arms. This item comes with COA.