US Patent 7644522 Soles with adjustable and interchangeable supports

A shoe insert system with adjustable and interchangeable supports comprising: a base sole, a longitudinal arch, a heel insert, and a transverse arch; the base sole being generally planar and having a perimeter which covers the underside of a foot from the heel region up to the bottom of a person's toes, a longitudinal arch, the longitudinal arch having a d-shape with perforated holes and a row of pins sized to mate with perforations of the base sole, a heel insert, the heel insert having alternating perforated holes and pins near the edge defining a general circumference of the heel insert, the pins are sized to mate with corresponding perforated holes on the base sole, the transverse arch having a hole side and a pin side, the transverse arch having a series of perforated holes on the hole side and at least one pin sized to mate with a corresponding perforated hole on the base sole on the hole side.