"It's not really like that," she tells them, frown flickering on her face. "It's not a matter of choice or perception. It's... a Jaunt has a shape. Not a fixed shape, or a visible shape... but it has holes in it. We have praxis that mostly filters people with complementary shapes into the holes, and hopefully people who would get squashed by the holes go elsewhere, so they don't go out of ambit as much."