Brandson 10 string tapping touch stick instrument chapman style

10 strings two hand tapping instrument, similar to the the famous chapman stick, I got thie years ago in the attempt to learn to play it but never got to it… I did try to find some info about the maker on google but it did not show any results on brandson 10 string instrument.. it is in good condition including the original hardcase… the case has some wear. see fotos.. the instrument is missing 3 strings, I did Try to put guitar strings on it but they are to short,,, you need some kind of longer strings.