Kinks like flogging, cropping, caining, bondage, breath-play, blood-play, water-sports... all have experts, workshops and documentation informing people about safety, tips and resources for that particular kink.

With regard to Genitorture and GroinBusting (ie. Ballbusting and Cuntbusting) there is not a collective repository and there is a lack of information readily available for folks, so I am hoping that this thread can act as a catalyst to expose more people to the topic.

Cheers
Jingdao (creator of USBBonline and Kicked in the Groin)

Books

Family Jewels: A Guide to Male Genital Play and Torment
More Family Jewels: Further Explorations in Male Genitorture

General Mens Health

Rhian Touches Herself - Cancer Awareness Video
6 Myths about Testicular Cancer - Read Myth #3

Everything You Ever Wanted to Know About Getting Kicked in the Balls -

Medical Kink Safety Tips

Ballbusting Health & Safety - by CBTOnly
CBT and how to pursue it safely - by LightningJack
Ball Torture - by Dirk, Stein and Richard Sommers MD

First Hand Accounts: Real Injuries

25 Years of Groin Transformations - by jellynuts
Testicular Damage and Regret - by MsDeadlyDesire
A Messy GroinBusting Accident - by Kckdhrd

First Hand Accounts: Experience & Expert Tips

Think about it beforehand - by SadisticSara
Castration Questionnaire - by Scarlet_Starlet
Time well spent - by KnaveEM

Health & Safety Links About Cuntbusting:

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