I saw a collection of jews'-harps at the museum.

He played the Jaw's harp at the music festival.

He played a beautiful tune on the jews'-harp.

He played a beautiful melody on the jaws-harp.

I have a collection of Jaw's harps.

He played the jaws' harp at the music festival.

I saw a collection of Jewes-harps at the museum.

He played the Jewes harp at the music festival.

I have a collection of Jewes harps.

He played the jews harp at the music festival.