the visor of her helmet abruptly clanked down across her face again , and alexandra sighed with irritation , longing to take the heavy helmet off and carry it deciding that thunder was unlikely to feel either the energy or the inclination to try to run off with her , particularly after his exhausting day at the `` lists , '' alexandra pulled him to a stop , then let go of his reins and transferred the heavy shield she was carrying to her left hand .