This is a excellent product. Can be setup in front of the fly, somewhere on the leader . This does two things, first a water moving popper action is added, and adds a whole addition of movement onto the fly with the floating pull on the leader.
WARNING: Cancer & Reproductive Harm -
This product may contain chemicals known to the state of California to cause cancer, birth defects or other reproductive harm.
http://p65warnings.ca.gov/
