how should the blind do?

Tweet

One day,a dump came to a hardware store and he want to buy asome nails.He used his hands and made a gesture to hammer to the sales.Then the sales took a hammer to him.He shook his head.And then he used his left hand to make a hole,the sales gave some nails to him.He smiled and left with there.Then there is a blind man came in,he would like to buy the scissors,how should he do?