>>76237686>>76237745I assume he means the top plate could slide off of the second to the top plate (or 2nd and 3rd, etc). It's probably fine. I have known some plates to be really slippery against each other, though.
Regardless, WTF is she doing? Extra plate height isn't adding to the difficulty of that movement, unless she's doing a really crazy push-up jump (in which case, yeah, she could definitely get fucked up).