Beauty blogger Huda Kattan recommends making your hands look like T-Rex claws when you're taking selfies, finally answering the age-old question: what are hands for? But seriously, she's not trying to prank you. Apparently, doing this with your spare hand during your selfie adds intrigue to the photo and makes the hand that isn't holding your phone less awkward:
And yes, Kylie Jenner does it, so you know it's an A+ tip.
Ted Cruz also knows something you can do with that spare hand, but he'd prefer if you didn't.