All I can say is if you've ever had a Shih tzu (sp?) with its hair all long and let it get tangled ... it's bad, I mean really bad. The hair on the willy wasn't the prob. It was around the back that was a problem. About 10 yrs ago I babysat my mom's dog for her. I gave him table scraps. Why, because I thought all dogs should have them. Well he went out to potty. He came back in dragging his butt on the carpet. I was on my way to see what the prob was when he stood up an shook. Well poo flew every where. It stuck on the blinds and the walls. It was caked on his rear and tangled in the hair. GROSS . It was he!! to clean up. Lessons learned. BRUSH BUTCHIE'S BUT OFTEN ! LMAO Its alot funnier now than it was then.