It feels less inconsistent if you put it like this: every call unveils, but the first one also veils. Or: every call does the following two things. (1) It ensu

It feels less inconsistent if you put it like this: every call unveils, but the first one also veils. Or: every call does the following two things. (1) It ensures that a veil is present. (2) It makes a hole in the veil at the location provided.