What are some useful protest safety tips and infographics?

Throughout the years there's been many useful information shared on staying safe during protests as well as many infographics made. What are some safety tips you've learned and some infographics you've saved?

here's an article i have saved about tear gas and a video of tips and tactics used by the hong kong protestors and an infographic

https://web.archive.org/web/20240426052300/https://www.popsci.com/story/diy/tear-gas-guide/

https://www.youtube.com/watch?v=V0iytr0qM90