This Haulin Padded Shoulder Strap connects easily to D-ring and webbing attachments as an upgrade to many of Mountainsmiths popular styles, including the Basic Cube, Bike Cube, Modular Haulers, Deluxe Cooler Cube, Cooler Cube, The Sixer, and the Kit Cube Traveler. It also serves as a great replacement for other totes, bags and duffels on the market.