The signature goes on the third line and the clause is satisfied and nobody says anything for a while.

MalfoidI would like the watch. Not the clock. The watch. I have a use for it.

CorvinaYou will find it extremely hard to use a watch to make anybody do anything now. She has made a rule.

Mione takes the watch off the table, puts it in her own pocket, and does not explain what she wants it for either.