Let's say you have a backyard rodent issue. A big one. So big that you can't watch Caddyshack anymore without getting a tic.
The "Mega-Sonic Scatter-Cat" device supposedly "repels dog, cats, squirrels and other nuisance animals without harming them," according to Pocket-lint, using sonic and ultrasonic waves instead of buckshot. But who are we kidding here? Rather than something like the passively situated " ," the real reason to get one of these is to pretend you're aiming Harry Callahan's .44-magnum at the dastardly four-legged vermin up to 65 feet away.
In a perfect world, perhaps this technology will be developed foras well.