Selling a pair of Japan-made, NJS-stamped Kashimax KX-DS "Dual Sprint" double pedal straps. The straps are made of leather and in "brand new" condition (I only installed them on a pedals to see how they fit, but then never rode with them on).

Product page in the manufacturer's website (in Japanese):
http://www.kashimax.co.jp/fivegold.html