context1: The two shoulder straps are designed to attach to a web <strong>belt</strong> or suspender configuration. The exterior of the pack has <strong>loops</strong>, rings, and grommet tabs for attaching a bayonet sheath, a meat can (mess kit) pouch, and a canvas carrier for a short-handled shovel (aka. entrenchment tool).
context2: In the earliest applications power was transmitted between pulleys using <strong>loops</strong> of rope on grooved pulleys. This method is extremely rare today, dating mostly from the 18th century. Flat <strong>belts</strong> on flat pulleys or drums were the most common method during the 19th and early 20th century.