I have a very nice set of clippers. Wilbur has gained so much weight he can't quite get to his lower 'self' to clean up. I bought some rinseless shampoo but i really need to shave him. I haven't tried yet but i can say with absolute certainty he will flip his lid at the noise. he even goes bananas if I spray the shampoo (foam) near him. many many years ago I completed cosmetology, and barbering schools and was licensed in both. though I've never done this on animals. How should I start this out? or should I?