Big picture inspection mirror

[mklotz]

You could also use a "selfie stick" to hold and adjust the mirror, or put your phone on the stick and take a movie or a still shot.

I don't own a, spit, cell phone or a, double spit, selfie stick and the first time it occurs to me to buy either I'm going to eat my gun!

However, I must admit to using my camera, the kind you can't make phone calls on, to flash photo nameplates in dark corners so I could read what is printed there.