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Sports pen for combat sports e.g. wrestling, jujitsu, etc has strengthened sidewalls retaining an air-inflated bag
Sports pen for combat sports e.g. wrestling, jujitsu, etc has strengthened sidewalls retaining an air-inflated bag
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机译:用于格斗运动的运动笔,例如摔跤,柔术等加强了侧壁,保留了充气袋
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摘要
A large air bag is retained within a U-shaped pen (1) with a base. The strengthened sidewalls pivot outwards against the force of retaining springs, pivoting against the base. The base planform may alternatively be circular, etc.
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