Balls and referee hammer
added: 2020-10-10 I recommend lubricating the balls well before this event, because the skin on them stretches and dries quickly. The hammer blow must penetrate into the depth and not remain on the surface!
Balls and referee hammer
added: 2020-10-10 I recommend lubricating the balls well before this event, because the skin on them stretches and dries quickly. The hammer blow must penetrate into the depth and not remain on the surface!