A joi video with cock tying instructions like these
http://pornbimbo.com/video/388/goddess- ... -and-balls
https://www.kinkbomb.com/p/cock-games-e ... 778/126778
https://m.spankbang.com/1eh3c/video/tie+your+balls+joi
I personally like ball divided ties like like these
https://m.spankbang.com/onyf/video/ball ... rope+leash
https://m.spankbang.com/1qko3/video/ale ... e+on+table
http://pornbimbo.com/video/388/goddess- ... -and-balls
https://www.kinkbomb.com/p/cock-games-e ... 778/126778
https://m.spankbang.com/1eh3c/video/tie+your+balls+joi
I personally like ball divided ties like like these
https://m.spankbang.com/onyf/video/ball ... rope+leash
https://m.spankbang.com/1qko3/video/ale ... e+on+table