I had to look up what a bowed psaltery is. I hope you get some enjoyment from it.
http://www.youtube.com/watch?v=sotvgwFm-MI
Two bows is difficult. It will be a long time until I’m anywhere near that.
http://www.youtube.com/watch?v=aD_dsfp1Uyk
Some people say that the Appalachian (or Mountain) Dulcimer is the easiest instrument to learn to play. I think the bowed psaltery is easier for a lot of people.
I like ‘weird’ instruments:
http://www.youtube.com/watch?v=747hJQNJpeg