Katarina Konow is a Swedish model and Equinox trainer living in Miami. She's also a fitness guru on Instagram, with over 15,000 followers. This video of Konow working out with a friend has been viewed over a million times on Facebook, because Konow is literally working out with her friend, doing squats with her friend draped across her shoulders like a dang feather boa. Here's the video, courtesy Jukin Media.

This is a really nice workout. First, it's great for building a beautiful butt. Second, it instills trust between friends, unless someone gets dropped, in which case it only builds resentment. But hey, no pain, no gain, right?