Handbag Handcuff^® is a revolutionary new bag restraint that secures your bag with one click. Simply attach one cuff to your bag and the other cuff to your car’s headrest post, a shopping cart or a chair to keep your bag(s) in place and accessible while driving, shopping or dining. Use it with grocery and takeout bags, laptops and briefcases, gym bags, portfolios and even diaper bags. Take it anywhere!