• About DST Tarp The Diamond Fly Shelter Tarp; designed with Alaska hunters and guides Dick and Yote Robertson, the DST is the epitome of versatility. With 16 perimeter tieouts and a large center cone of durable fabric, the DST can function as an overnight shelter for 1 or 2 minimalists, a cook tent on a river trip, or as a day shelter while glassing for big game.