I'm still in two minds about this as it was my dream instrument several years ago that I spent considerable amounts of time and money on. The aim was to have an instrument that would have the range of a guitar and with tapping / touchstyle potential, but with a manageable string spacing for my smaller hands. The base is a Conklin Groove Tools 7-string that I had imported from the States. Swamp ash back and thick figured maple top, purpleheart fingerboard and incredibly stable yet thin 7-pie