A couple of weeks ago I saw for sale a tiny bottle that clips to your keyring or beltloop for the purpose of carrying hot sauce. I think it's a Huy Fong Sriracha brand.
And I know a guy who is a black pepper snob. He carries a tiny pepper mill in a shirt pocket so that he can have his own particular black pepper wherever he goes.
I would even imagine people as salt snobs carrying a little mill for their fancy pink Himalayan salt.
I used always to have a small (57ml) bottle of Tabasco about my person in case of blandness. At the time I was working away from home and staying in a hotel who happily gave me a couple of bottles a week.
When the liquid ban came in on flights I got out of the habit. Friends and colleagues who knew my back in the day still expect me to be "holding"