Not sure if this is just Filia or not. I've also only tested Filia's j.hp. It doesn't happen often, and it was a pain in the ass to set up (took me 15 minutes trying different Thresher hights and j.hp approaches).
Anyway:
@Mike_Z
Not sure if Thresher has a period in which it isn't supposed to throw on hit?
Anyway:
@Mike_Z
Not sure if Thresher has a period in which it isn't supposed to throw on hit?