DeSantis Slim-Tuk Sig Sauer P938 Inside the Waistband Ambidextrous Holster - The Slim-Tuk is a new minimalist slim fitting, ambidextrous IWB holster fashioned from Kydex sheet. One of the most unique features about this IWB holster is that it uses a tuck-able 360 C-Clip, which affords the wearer unlimited mounting options. The hardware can easily be reversed to change from right to left hand. The Slim-Tuk is precision molded and has adjustable tension and a rugged 1.75in nylon clip.