The exams were finally over, and Harry and his friends were enjoying another afternoon in the sun. Sometime around four - they were currently debating if someone should sneak into the kitchen for a little snack - Blaise joined them with a satisfied smile on his face. Stretching out on their blanket, the Slytherin pulled a book out of his bag, ready for some non-school literature. When he lifted it, Harry noticed some abrasions on his wrist. Immediately, he reached out. When he realised that they went beyond his wrists and up to his lower arms, he growled, "What's that?"