What is there to do at the barber shop

Hint 1 of 4:

If you read the sign, you'll notice it's closed.

Hint 2 of 4:

But doesn't that bobby pin sign look tempting?

Hint 3 of 4:

You have to get the tool kit from the pawn shop and open it.

Hint 4 of 4:

Then, use the wire cutters on the sign.