Provides effective and economical fly and lice control. 5' cattle rub made of polyester stocking filled with acrylic fiber material with a nylon rope loop at each end. Pour mixture of 4 gals (for 10') or 2 gals (for 5') of diesel fuel (or mineral oil) and insecticide along its length. Hang saturated rub where cattle will go under it. Recharge as needed.