Right before they were out of the store, I raised my free hand and magically grabbed their collars. This caused quite a funny reaction as they were stopped right at the point and their feet kept moving forward. Ron continued to attempt to move, but Harry realized what was happening. Giving Daphne a small nod, we walked towards the boys. Standing in front of them, I calmly mentioned, "what did I say about running into something you have no knowledge about? Because last time that happened, I fought the Dark Lord."