Traditional Culture Encyclopedia - Traditional festivals - What type of circular rubber band is used for 8-strand circular rubber band 70 drawing distance?

What type of circular rubber band is used for 8-strand circular rubber band 70 drawing distance?

17cm. The traditional slingshot with a length of 2224cm can meet the pulling distance of 80cm. The short slingshot is related to the individual's height and arm span. A person's height is about 170 cm, and the short pulling distance is 70-80 cm, so the length of the rubber band is 17 cm.