Abstract: The present invention is directed to an apparatus for tightening a restraint, including a base having a passage for receiving the restraint and a one or more receptacles communicating with the passage, and one or more retention members movable between a first position and a second lockable position, wherein the restraint is loosened in the first position and the restraint is tightened in a second position. The present invention also relates to a method of tightening a restraint by inserting a restraint into a passage formed within a base, the passage communicating with one or more receptacles in the base and forming the restraint into the receptacles by moving one or more retention members between a first position and one or more second lockable positions, whereby the restraint is urged into a labyrinth configuration defined by the receptacles and the retention members in a second lockable position.