the appearance of that shape changes with the angle. so the distinction between the actual shape of this wallet and the appearance suggests that the actual shape is just an objective feature of this wallet. it keeps it whether you see it or not, whether it looks different to you or not.
and what’s kind of interesting is that that distinction between the color and the color appearance is just the same kind of thing, that this shirt’s got a color and it’s got its color regardless of whether you see it or not, regardless of how it appears because of the light and the shadows. and my theory is a 