Carry a bottle of water to wash the acid out of your eyes...
Don’t frown at any mooslimbs. They jail you for that in the UK.
Go to te Tower of London, and enjoy the Beefeaters’ Tour describing, in detail, how the beheadings were done in Henry VIII’s time. Be very sad they dont do this any more,. Resolve to suggest adopting this idea it to your congresscritter when you return home
Water with baking soda to neutralize the acid.