(57) Abstract Objective To designate the cup of golf as those of pronunciation type, bo - ruAt the time of cup in echo sound to be able to put out, in pre- - ya -High amusement Characteristic and that the appearance impression is offered are designated as purpose. Constitution Embedding the cup, in the cup for golf which it formsBeing, confronting in the cup, the horizontal position it can point to the resonance ring. BeforeIn portion of the resonance ring which is exposed on the description cup hole bottom the resonance board takingThe ri the cup for golf which features that you attach. Advantages When this device is used for actual golf, pastBe able to expect the beautiful sound effect where it differs from echo sound, furthermore resonanceBy changing the forma size of the ring, soundIt is possible to enjoy change. .
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