Add or remove your calls using the by simply attaching new loops to the lanyard. DIY Lanyards are braided with heavy-duty nylon paracord for a lifetime of hunting. Each lanyard comes standard with two paracord sliding loops braided into it. This "do-it-yourself" kit includes two single loop attachments; one double loop attachment and one whistle attachment with stainless steel snap hook connectors so you can attach them exactly where you want them and only when you need them. The round braid lanyard comes in olive drab/chocolate.