Use Ellipse Toggles by Gear Aid to replace broken cord locks on cord up to 3/16 (4mm). Great for use on jackets, sleeping bags, shoes and more, Ellipse Toggles allow you to tighten and secure cords without the need for knots. Part of the McNett family of brands, Gear Aid features trusted repair and maintenance products for outdoor gear. For over three decades McNett has been providing you with the Essentials for Adventure.