MISTAKE PROOF CONTOUR GAUGE

摘要

A contour gauge may include a fixture with an opening and a first contact on a surface of the fixture. A lacing fixture may be configured to at least partially cover the opening of the fixture. A second contact may be on the lacing fixture. The second contact may correspond to the first contact on the fixture. The fixture may be made from a translucent or transparent material. The first contact may be an electrical contact. The second contact may be a pressure sensitive switch. An output panel including a light may be present on the lacing fixture. The fixture may be made of polymethyl methacrylate.