Im trying to edit sonic's shoe, but only one shoe get altered, can anyone find find out what i did?
There's probably another group of vertices in the blob of vertices you're looking at that corresponds to the other shoe. As far as I know, vertices don't mirror in the way that you're thinking.
EDIT: Why the heck is "vertices" still count as a misspelled word by the spell checker? You guys need to update your forum dictionary or something >.>