Mad River Steelhead Worms 3″ color: Methiolate. Impregnated/scented with special formulated Atlas Mikes shrimp oil. They are made of soft & supple yet durable plastic. For Rigging, Drift fishing, thread these worms using the available Steelhead Worm rigging kit with detailed instructions. Add a Hard Fish Pill for extra flotation to keep worm out of snags and in the fish’s strike zone. Or for Float fishing, use a weighted jig head.