6133 CROODED HORN RANGEFINDER HOOK-UP Crooked Horn invented the most popular product used daily in the field, the Slide and Flex Bino System, and now we have adapted the Bino-System, to carry your rangefinder with the same comfort, convenience and durability. Simply attach your rangefinder to our patented quick-release RF buckle, and then slide up either your binos or rangefinder when needed. Made in the USA, Life Time Guarantee. Realtree AP Camo.