Abstract: A multi-function leash is described including an attachment mechanism with a gated eye secured to a distal end of the leash, allowing the attachment mechanism to be attached in a slideable manner around the leash to form at least one loop, with its travel along the leash restrained by one or more sliding stops that are wider than the gated eye. One of the sliding stops may allow another loop to be formed by drawing the leash through the stop, and another sliding stop may maintain a position along the length of material via an actuator. The leash is configured to provide a sliding loop with a maximum limit and a minimum limit, a sliding loop with a maximum limit and no minimum limit, and various harness configurations, by attaching the attachment mechanism at different locations along the length of material and between different ones of the sliding stops.