It was a very soft but intense stimulating egg massage. They were very swollen, not even from processing them with blows, but from the growing excitement in them. I am sure that balls have an erection - ballbust_berlin
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! - ballbust_berlin
From the first frames in the video, you can see how, first with a bonger, then (09:42) with a white rubber hammer, then (15:01), the balls slowly swell from hand claps. It turns me on sexually. - ballbust_berlin
As it became clear later, this press is one of the best supports and holders for balls, which will not allow them to run from bumps or squeezing. - ballbust_berlin