Miku Martineau Managed to Figure Out What This Viral Beauty Gadget Does

If you aren't tapped into the YA craze, allow us to put you on. In this video, InStyle gathered the baddies from Netflix’s hottest shows and had them guess—and test—some of the wildest beauty gadgets for our inaugural Would You Use It episode. Whether you're eagerly awaiting ‘The Sticks,’ can't get enough of ‘Crew Girl,’ or are on your fifth rewatch of ‘Best of the Best,’ all the girlies are here.