1.   I felt him rip the tape off my hands, but he kept my left arm in a hammer lock.

2.   The hammer lock kept my head down, but I could see he was carrying a bottle of whisky by the neck.

3.   During the torrid romance that follows, she likes to get him in hammer locks in the kitchen and forcibly extract a vow of love.

4.   The huge hammer lock on the musket is out of proportion.