Higher tech alternatives such as remotely activated citronella collars or automated scooping litterboxes may discourage the behavior. (oregonvma.org)
«Gadgets such as citronella collars and shock collars at best may temporarily interrupt the behavior, but the problem is that they don't teach the pet what to do and can have many negative side effects such as increased fear, anxiety, and aggression,» says Dr. Ballantyne. (vetmed.illinois.edu)
We started with the Pet Safe citronella collar, which just sprays him when he wears it + barks. (kellyinthecity.com)