Me and my Domme are in a new dynamic and we're discussing safe words and such and we came across the situation where I was gagged and a zipper had pinched me and I just moaned and kind of motion with my hand and we of course stopped and addressed it. But I'm wondering in the future how better to communicate safewards while I am tied and gagged at the same time. We were thinking perhaps some sort of tapping or maybe a ball in my hand if I drop it, it means the red safewords for stop or maybe just that I do a thrashing motion with my body that obviously means something's wrong like a completely out of the normal, violent body thrashing that I would never do in normal fun play ever. What are your thoughts? How do you handle safe words while being bound and gagged and are unable to communicate freely with hands and vocals?