An exercise device and method of use is provided. The exercise device includes an elongated elastic element having a first end and a second end. The elongated elastic element is stretchable along its length. The exercise device further includes a pulley system comprising a pulley having a channel along its outer circumference through which the elongated elastic element runs. An engagement mechanism removably anchors the pulley to a fixed point while allowing the pulley to rotate as the elongated elastic element passes through the channel.