Meant for, yes.

[ Lisa’s distaff, the one she gave him when he first came here, leans against one of the reading chairs. The spindle rests on the chair itself. ]

It was restricted to the castle because it used the castle as a medium. [ And maybe also because Dracula is paranoid. ] That’s why it was easy to use, because the castle was doing most of the work. I’m trying to use the thread for something similar. It’ll take a lot more magic, but the Speakers have that to spare.