a one - piece , tamper - resistant fastener for attaching one item to another is described . the fastener is particularly suited for attaching an item such as a ski coupon to a skier &# 39 ; s garment . the attachment mechanism of the fastener is designed to allow a user to attach both items to the fastener , and thus the items to each other , in one action . the fastener is made of a single piece of plastic material , preferably polypropylene , which is easily recycled , even with a typical ski coupon attached . the one - piece fastener may alternatively be made using a biodegradable material .