Rollei! I almost forgot! Everyone’s talking about where to hang a camera; how low; where to point it; yada yada yada. How about going old-school and using a Rolleiflex? You don’t have to be facing your subject to get a great shot. (It worked for Vivian Maier.) Just look down into the viewfinder at your waist, with the lens pointed at a 45° angle away from where you are looking.