The musician would set it on a table and press the five highest strings down onto a fretted finger board with his left hand, and pluck them with the thumb and index finger of his right hand, strumming the other bass strings with his middle and ring finger as required.

John Werro the importer was himself from Switzerland and working as a musical instrument dealer in London between approximatly 1894 to 1912.

This is waiting for the workshop but similar instruments can be seen played here;