[ The man nods, unchaining Eric and handing the leash to Izumo, but still holding a part of it. "Yes of course. That is to say...there's tne matter of the collar. To register you as his new owner, a small sample of DNA...surely you are aware of that."

He tries to say this calmly. As this had to be done as soon as the transaction was complete. A sample of blood installed into the collar, connecting the two, so that the other could not escape, pain and electricit until the master is in a certain area. To have this not done was never heard of. ]