En route to success, I block your way. Perhaps right now, Telling 'R' from 'A'

Man, what a ring that sure is. It's... not made of solid material?

I think the cow was out in the sun too long... It's giving...

I go up and down, And most associated with a fly I can close a gown And my teeth can bite, especially if you're a guy

A barber's quick move, without a flub, In the salon or the shrub. A swift, tiny cut, A sound, a soft tut, The work of a sharp little club.