Everything here runs on consent that can pause: either of you can stop at any moment, and 'we negotiated' never overrides a stop. You can also decline the whole thing — not wanting to is a complete reason, and 'my partner wants this' is not the same as 'I want this.'
This guide covers psychological dominance only. The risks of the psychological kind are real too, just less visible: words and roles can land harder than expected, and that distress can surface afterward — harder to name than a bruise, and just as worth taking seriously. Rope, restraint, and impact play add documented bodily risks — nerve compression, a broad spectrum of marks and injuries — that require dedicated learning; they are not try-it-and-see activities. One absolute line: choking and neck compression have no safe practice form, whatever the technique claimed. Recent research on sexual choking concludes that any instance carries significant risks and that safe use is difficult to achieve; documented injuries include cervical artery dissection and ischemic stroke — in trained combat-sport athletes, no less. This is not a rare corner of sex: in one university probability sample, 26.5% of women reported having been choked during their most recent sexual event — a prevalence context, not a safety indication. Drop three intuitions now: 'lighter is safe,' 'we have consent, so it's safe,' and 'we trust each other, so it's safe' — all three are common beliefs among young adults, and none of them are safety mechanisms.
On responsibility: the dominant partner carries primary responsibility for the scene's care. But responsibility doesn't prevent things from going wrong — that's what negotiation, stop signals, and aftercare are for. Your partner remains a co-decision-maker throughout, never just someone decisions happen to.