As in the preparatory drawing, the stringed instrument has the ellipsoidal body with sidecut at C and four protruding beaks. The soundboard has two sound holes shaped knife with two handles and a rosette fretworked near the neck, composed of hexagonal base from 6 heart-shaped petals that are joined to a central circle. The keyboard is equipped with catgut keys tied and the pegbox, which can not be seen because it is covered by the hand, here has a termination at "caulicolo" as in some pegbox sickle. The instrument has 8 strings.