User blog comment:Omega natsu2/Fairy Tail Episode 197: Hisui Rises, Review./@comment-1359064-20141108072229/@comment-7418318-20141108084042

Except that those keys work in the exactly opposite way. They are suppressors not enablers.

But if she was able to make those, she might well be able to make a new actual Gate Key too. But if that happened, I hope it'll not happen too soon, or the whole sacrifice that Lucy and Aquarius have made together will lose a bit of it's meaning.