Another thing you should try is skewering them without rings or other banding and enjoying an orgasm while your body tries to pull them up with needles through them and the weight of your sack on them. I did it in this video, the orgasm was very intense. Starts at 6:20.
to morty6969 :Your sack, cords or balls themselves. Most of my discomfort comes from the skin on my sack. My cords and balls actually feel good while stretching.
https://xhamster.com/videos/skewer-scramble-and-cum-xh7BvR7