In-universe, Yuffie might imbue her weapon with elemental- and status affinities with the help of Support materia, thus balancing out some of the risk with throwing her weapon by having at least the advantage of added weapon effects.Somebody come up with a good excuse / game theory / fanfiction about why.
If I were to truly go crazy, I'd say she has linked a materia to her shuriken that somehow guarantees her weapon always returns to her. That's of course not the case, but for the sake of wild ideas...
To be fair, the only people doing that weren't made of flesh and blood. =PAnd why all the sudden can people just shove them into their BODIES in AC?
Tangential question: WHAT THE BLOOD FUCK IS THE SIZE OF MATERIA?
Seriously. Do they shrink/grow to fit into slots? How are they secured? And why all the sudden can people just shove them into their BODIES in AC?
And why all the sudden can people just shove them into their BODIES in AC?