| 摘要 |
Evolutive ring consisting of more than four sides, permitting the practice of evolutive free boxing and similar sports. The present invention relates to a ring having more than four sides, that is to say an angle which is more open relative to the conventional ring. This more open angle is essential, on the one hand, for permitting better execution of all the circular movements, and on the other hand, for permitting fair play by preventing one of the participants from "taking refuge" in a corner. <IMAGE>
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