Never seen that before. Looks quite primitive. The answer could lie here,
La Banda Europa
Over the winter of 2006/7 Jim researched and put together La Banda Europa - an extraordinary orchestra of 35 virtuoso musicians, all of whom play the forgotten instruments of Europe (ethnic instruments indigenous to their own European country of origin). Bagpipes of 7 countries, Swedish nyckelharpas, Armenian duduks, Turkish drums, Hurdy-gurdy players from Hungary and France, brass players from Scotland and Serbia the list goes on... The project provides a unique opportunity to compose truly original music that explores the creative possibilities that occur when different cultures collide. The orchestra also serves as a pool of musicians that Jim can draw upon for specific compositions creating smaller bespoke ensembles. Examples of this include Jims work on the new film Trouble Sleeping where Jim combined members of La Banda Europa with middle eastern musicians in order to create an ensemble that would play the score for this film with a story of middle eastern refugees in Scotland.
I've just had a look at La Banda Europa's myspace. All these instruments from throughout Europe and not one Dulcimer, Hackbrett, Cimbalom or Santur. Outrageous!!!! Clearly we have a long way to go to educate people.
Actually, the instruments that's played like a HD on the clip resembles a lot what Mark Ramser builds and calls a "Bass-hackbrett" saitenart.ch/hammered-dulcimer/bass-hammered-dulcimer-special.html the rounded birdges makes it possible to play with a bow, and with hammers (even if it's a bit tricky, but then you don't have a big range : an octvae, or an octave and a half). Jim's probybly not made by mark, but it does look quite like it !