Abstract: A binding mechanism system including a binding mechanism having a plurality of generally coaxially arranged binding coils, each binding coil including a pair of generally parallel wires terminating in a coil tip, wherein the parallel wires extend around a longitudinal binding axis and define a base portion forming a closed circle and define an overlapping portion, and wherein the overlapping portion has substantially the same center of curvature and substantially the same average radius of curvature as the base portion.