Tell Alexa to play “Take my Breath Away”, we’re about to learn some kinky shit. As with everything BDSM, the first rule is always safety –actually the first rule is consent, but the second rule is definitely safety.
https://www.playboy.com/read/so-youre-into-choking
https://www.jejoue.com/blogs/our-blog/breath-play-a-guide-to-erotic-asphyxiation