A man with no arms walked up to a bar and asked for a beer. The bartender shoved the foaming glass in front of him.

Look, said the customer, I have no arms – would you please hold the glass up to my mouth?

Sure, said the bartender, and he did.
Now, said the customer, I wonder if youd be so kind as to get my handkerchief out of my pocket and wipe the foam off my mouth.

Certainly. And it was done.
If, said the armless man, youd reach in my right hand pants pocket, youll find the money for the beer. The bartender got it.
Youve been very kind, said the customer. Just one thing more. Where is the mens room?
Out the door, said the bartender, turn left, walk two blocks, and theres one in a filling station on the corner.