Well I would say a vagina or a mouth. Or even an ass... The way I look at it the key word is receptacle and these are all potential 'receptacles' and have a potential to transport hair.

__________________
Put me on wheels and I'll turn tricks.

Clever? Nah, I ran out of that years ago. But if you find this, let me know, k?
"The road goes ever on..." ~ Tolkien

In memory of my friend skip...
Go then, there are other worlds than these