Random Riddle: 2-20-2016

A man who couldn’t speak went into a store to buy a toothbrush. He pretended to brush his teeth with his finger to tell the cashier what he wanted. The cashier understood and the man went home with the toothbrush. Then, a blind man came into the store wanting to buy sunglasses.

How could he tell the cashier he wanted sunglasses?
 

Riddle