The crucible lid doesn't snap, that means it's going to be extremely difficult to refill and reload in a concert setting.
Same as the FF2 the MV1 has a very small bowl, which means that annoying reloading is going to occur often. — Vaporthusiastic
But it looks like it sits on top in the groves well enough to stay in place from the looks of the videos. That's just me tho. — StuddlyBud