The Paraguayan "guitar"?

[Dingo40]

There's an accordion in the background ?

 

[Pipemajor]

There's an accordion in the background ?

Those finger nails

 

[Dingo40]

Yes, Pipemajor,just like some "fingerpicking" guitarists ?

 

[xocd]

There's an accordion in the background ?

It's an interesting variant of the diatonic harp. It uses guitar tuners instead of typical harp tuning pegs. Also, the strings fall down the center of the harp thus avoiding warping side-tension.

 

[Dingo40]

Thanks for the information xocd!?

See? I said it was "a guitar"!?

 

[TomBR]

I've also seen a Paraguayan harp player use a finger ring with a kind of T bar on it to play accidentals.
"Slide harp" even more like a guitar!