U.S. Pat. No. 5,570,556 issued on Nov. 5, 1996, to Thomas E. Wagner describes shingles with connectors such as asphalt roofing paper pieces which are alternatively attached in a median position (hinged on the front surface on one edge and hinged on the rear surface on the opposite edge) by either an adhesive, staples or other fasteners, which act as hinges for folding the shingles to form a bundle