Coye Knives Production Ridgeback Sheaths By Brandon on November 8, 2013 in News Update 2/10/2014 – aftermarket sheaths are no longer available from the Coye custom shop, and will instead by sold by Armordillo Concealment. Now available from Coye Knives are custom Kydex sheaths for the production Boker/Coye Ridgeback. (more…) Continue Reading