All cuffed up

Hint 1 of 5:

Your hands seems to be tied.

Hint 2 of 5:

Use your hands to use your feet.

Hint 3 of 5:

Get the keys from the nail on the wall.

Hint 4 of 5:

Do you have hammer toes?

Hint 5 of 5:

Then get the nail from the wall too.