Rose: Having somewhat an education, I am fully aware of the definition....it was the spelling I found rather amusing. Although I could mention that any form of electronic training devices use methods not particularly favorable to the pet....what big difference is there between so called "professional" use and just an owner who has finally figured out that their pet has control of the enviroment he/she lives in?
Be the "pack leader" and you'll find theres no need for such contraptions.