Victor® Poison-Free® Super Fly Roll For use in garages, stables, barns, restaurants, and more. 1. Tear the package away from the roll. Do not remove the handle from the roll. 2. Attach leading end of roll, with metal ring, to a hook or angled nail. 3. Pull apart by holding onto handle. Glue surface facing down. 4. Hang handle on another hook - pull out as much or as little as needed. 5. Roll can also be hung straight down. 6. For best results, unroll the full trap with glue surface facing the ground. Flies are drawn to the under side of the trap. Glue is easily cleaned up with vegetable oil.