Testicle tug of war: Two slaves with their balls tied to each other...
https://xhamster.com/videos/torture-for-two-9876779
https://xhamster.com/videos/mistress...slaves-6893400
https://xhamster.com/videos/balls-tug-of-war-14511784
https://xhamster.com/videos/balls-punished-4163993
https://xhamster.com/videos/cruel-fe...uma-38-xhCZQJq
https://xhamster.com/videos/balls-in...k-dick-xhuJbCn
Or three sets of balls: https://xhamster.com/videos/tug-of-w...usting-1347827
Male vs. Female Tug of war - tits vs balls
https://pornzog.com/video/8326703/tits-vs-balls-1/
https://pornzog.com/video/8449564/tits-vs-balls-2/
https://pornzog.com/video/8271454/tits-vs-balls-4/