like to see big tits and nipples tied extremely tight so the thin cord, or thin wire digs deep into the tits, or into the nipples the thinner the better. Thin cord, or thin wire will hurt these lovely round tits, and pointy nipples. Most people really don't know how  to tie up tits, the photos and video I see of tied tits and nipples, are always the same wrap rope at base of the tits a couple of times that what they call breast bondage, and the ropes they use are so thick u can tie up the QE 2. Their is a whole lot of tit to tie to be , u can tie as many stands of cord, or wire around the tits, then u can try to flatten the tits by bring the cords, or wire over and across the tits, alway wrap a couple of cords, or wire around the nipples.