She had clearly been looking around, at what he did not know. "There are bowls that you can use." He pointed out, stepping farther into the room. "This is a very special collar to me. The first one I ever bought, so take care of it." He laid it on the coffee table. He would gladly put it on her if she wanted, but he suspected she would want to do it.
"There is a preservation spell on it so it looks good." There was also a tracking spell, but it had been so long since he used it that he was not even sure it would work. He knew that Buffy would try to sneak out when he as resting, he would be an idiot if he did not suspect that. He just hoped that he would not need to come get her when she got caught and then have to punish her.