This gave me a dozen different looks in a flash...
Brown jacket - glasses - hat.
Brown jacket - no glasses - no hat.
Tan jacket - shades - no hat.
Tan jacket - hat - no glasses.....
I also got pretty good at changing my height and walk.
Hubby did that in the supermarket once. Turned the corner and there was an old man with a REAL limp. I laughed out loud...and hubby kept limping!!