[The feed starts up with a close-up of a grinning Gliscor, who lets out a shriek and floats back onto a pile of rocks. Riku then steps into view and grins.]

You'd think that Razor Claw would work on something like Gligar, but it turns out that they need a completely different item called Razor Fang.

It's definitely strange, and I can see why you'd want to experiment.