is an accessorize which let you study without carrying the guitar .You can practice with the left hand while strengthening the right hand.You will perfectionate Arpeggio,Tremolo,Alzapua,Strumming,Plucking,Thumb,Precussion,Rythme, etc. It includes a part for palying with struck(golpe) and a headstock to give more tension to strings.As it produces no sound you can practice everywhere in anytime.It is made of wood.It has a strip with hanger and also a useful case for transportation. Size: 34 x 8 x 7