The present invention relates to a danso formed an auxiliary opening and closing to improve the convenience of playing by allowing the five-scale danso to play without changing the fingering.;To this end, the present invention has a mouthpiece 10 is formed on the top, the first ball 11 is formed on the back, the ball 2 to 5 ball (12, 13, 14, 15) formed on the front side In the above, the auxiliary opening and closing hole (2) for opening and closing the five hole (15) is formed between the four ball (14) and the five ball (15) is formed, the auxiliary opening and closing hole (2) in the short place (1) The pressing member 3 is coupled to the connecting piece 16 formed by the hinge 6 and the hinge 6 is engaged with a part of the pressing member 3 and formed on the connecting piece 16 formed at the short element 1. It is composed of an opening and closing member (4) coupled to.;In addition, the pressing member (3) and the opening and closing member (4) and the hole (16a) of the connecting piece 16 so as to give elasticity to the pressing member 3 and the opening and closing member 4 coupled to the connecting piece (16) and The outside of the hinge 6 inserted through the holes 33a and 43a of each of the pivoting pieces 33 and 43, and both ends are respectively the outer end of the short (1) and the pressing member (3) and the lower end of the opening and closing member (4) It is characterized in that the elastic spring (5, 5a) is mounted to be in close contact with the inner surface.;As such, the present invention allows one end of the opening / closing member engaged with the pressing member to block the number 5 ball when the pressing member is pressed with the right finger ring finger. It is possible to play the correct performance quickly and accurately, thereby improving the musicality.;Short, auxiliary opening, closing member, opening and closing member, elastic spring, connecting piece
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