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#SamguOgu #TableTennis #YoonHyoBin Table tennis rubbers are divided into flat rubber (pimple-in), pimple (out rubber), and anti-rubber. There are many types of pimple-out rubbers, such as short rubber, long rubber, and middle rubber, and the ball quality is different. And there is an anti-rubber, which is not used much these days, and the ball quality is similar to the pimple rubber, but the shape is similar to the flat rubber, called pimple-in rubber. This time, Yoon HyoBin's opponent, Amelia Sola, is said to have a middle rubber for her forehand and an anti-rubber for her backhand. The ball quality is really difficult... Yoon HyoBin...