"Alright.  Give me your wand hand, Hermione," Lucius said quietly, and Hermione did so.  He grasped her arm firmly.  "Severus?"  Severus drew his wand and approached.  "The rest of you.  Put your wand hands on our arms."  The others did so, even Draco, without question.  Severus was last, placing his hand above all of theirs, and began murmuring an incantation that sounded almost like song. 