Severus grinned, sudden and mischievous. He waited until Al had a palmful of fluff, and then he reached out with his own set of silent, wandless Leviosae.
The feathers came to life, skittering every which way, up Al's arm, down his sensitive sides, flickering and whirling, pinprickly points and downyfluff ends flicking against Al's skin in an utterly unpredictable riot of tingle-tickle sensation.
"I think you look even better in feathers," he replied, observing the effect with a velvet-dark, intense stare.