It is covered with a blade shaped blade part with an opening made of a material such as rubber and sealing material which is made of a material such as rubber and elastic material so as to be closely adhered to the tip of a cylindrical grib made of hard material such as wood, hard rubber, plastic, and metal. The inside of the blade is filled with gas such as air. As a result, the quality of the soft sword is uniform, and the quality degradation is low even if used for a long period of time.
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