Adaptable - Zinger, Lanyard, D-Ring, or Pocket. Includes high spec zinger w/rotating pin attachment & lanyard connector Double Sided - Wearable Open Fly Box. Extreme access. Load it up and leaveyour fly boxes in camp Patented No. 613464. Worldwide patents pending Holds flies securely. Ribs protect against damage & rub-offs Smith Creek quality. Custom formulated UV resistant body & high impact plastic The Smith Creek Middle Fork Fly Patch is the patented extreme access double sided fly patch system designed with exposed ribs that protect your flies from loss due to rub offs Never before has it been easier to see and access your flies It holds a lot of flies securely in custom micro slit foam and protected from damage or loss by its patented exposed ribs Worn on it rsquo s zinger or a lanyard makes it exceptionally easy to use It rsquo s designed to be worn on vests or clothing chest sling packs For use on lanyards or D rings an alternative attachment cable is provided