Use "unknot" in a sentence

1. The Elf reached to unknot the tidy little bow and ribbon around the box, its only adornments

2. In a few seconds, she had straddled him and started to unknot his tense muscles

3. Slowly, the muscles in my back and shoulders began to unknot

4. The first has only a rope for a belt and is so thin, he does not have to unknot it to slide off his trousers

5. As they worked in silence together, Ciere felt something unknot in her chest