Between the game and the sports tool, the Vortex is used in athletics competitions as a preparatory step for javelin throwing, up to the age of 14
It is a sort of oval rubber ball with a tail capable of balancing the tool in flight.
It is also equipped with plastic holes from which the air entering emits a characteristic whistle which helps to follow its trajectory.
Thanks to its usefulness, ease of use, and safety due to the soft material with which it is made , it is one of the favorite items of the major FIDAL affiliated sports clubs
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