Bare feet through the seat…
Finally happened to me! DFW to AUS. Lady behind us put her bare feet through the seats! I forgot to take a picture, spill my drink, sneeze on them, paint her toe nails or any of the other great ideas this subreddit has proposed. I stupidly said “Mam do you mind…” at which point she immediately apologized and moved her feet down.
I apologize to this subreddit. I can and will do better in the future.