My attention was immediately drawn to this article. You see, in the late 1970s, as a graduate student at the University of California, Davis, I developed a snake-tethering technique with the assistance of one of the campus veterinarians, Scott E. McDonald. The article falsely attributes rattlesnake leashing to others.

David F. Hennessy
Sacramento, Calif.

Yes, David Hennessy and five other authors describe the loop implant in a Behaviour article in 1981. Ron Swaisgood tried that method before deciding to use duct tape. He never claimed to have invented the implant .–S. Milius