He played the Jaws'-harp at the music festival.

I played the Jaws-harp at the music festival.

I love playing the jaws harp.

He played a beautiful melody on the jaws-harp.

He played the jaws' harp at the music festival.

He played the jaw harp at the music festival.

I have a collection of jaw harps.

I bought several Jaws'-harps from the music store.

I have a collection of Jaws-harps.

I have a collection of jaw's harps.