I often take a picture of my foot. Mostly I want to learn something about my camera and gear. But why should you use your hand? It's handy, I don't have to find it. But WHY? Dave Bergman has an answer in https://youtu.be/bmhkyGMgwW0?si=wq3jvI6Fy9UrKzyY Do you use a foot or hand? Something else?