Draco moved so quickly that Hermione had barely registered that he’d taken his hand off her back before he’d grabbed Bletchley, spun him around, and pinned him against the wall.  His wand dug into the man’s bobbing throat.  "You want me to ensure you can never again shove whatever passes for your endowments into any woman stupid enough to let you near her?"  Draco asked.   He didn’t raise his voice or sound at all agitated but the muscles of his arms bulged under his tight shirt as he held Bletchley in place.  The man made a tiny whimpering sound and Draco nodded.  "Then apologize to my guest at once."