>>42560470
Vinyl's gone through a lot of mares, very few unicorns are able to withstand what she can dish out and none are able to go more than once as they aren't strong enough to take the brutal ruining Vinyl gives them.
Pegasai are pretty much off limits unless Vinyl really controls herself as they're too small combined with their hollow bones. It's a recipe for disaster so you better distract her with another pussy if Vinyl's got a pegasus in her grasp.
Earthponies are generally the only ones who can survive the punishment well enough, but even the strongest mares are walking bowlegged with a limp afterwards.
Tavi is not one of these, she's decently strong from having to carry her cello everywhere, but she doesn't work a field or in construction, so when Vinyl's done with her her legs are useless jello and her pelvis feels like its one hit away from shattering.
She loves it though, the feeling of her body recovering from being wrecked so brutally is like a mini tingly orgasm stretched over a whole day.