Here are the tying instructions for Barry’s Carp Bitter. Barry has put a lot of time and effort into testing and developing this fly in Colorado. Barry’s Carp Bitter was develop on the South Platte River in Denver, specifically for Carp On The Fly. Barry’s Carp Bitter can be tied in Olive, Rusty, Brown, Claret and my favorite color Mango! Barry’s Carp Bitter has the right profile, weight, wiggle and color to fool picky carp.