It is a utility model is used for sports.In this case, it is an elastic band (3) with a length of 70 cm and a width of 4 cm.(The length of the elastic band (3) can be cut to size to the respective person.) On the elastic band (3) are located parallel at a distance of 1 cm two reflective strips (4) and (7) which also have a length of 70 cm.On the right side of the elastic band there is a ball made of hard rubber (1). In this ball (1) there is a hole (5) with a diameter of 1,5 cm. In this case, the elastic band (3) fastened by a node.On the left side of the elastic band there is a ball made of hard rubber (2). In this ball (2) there is a hole (6) with a diameter of 1,5 cm. In this case, the elastic band (3) fastened by a node...
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