Objects of dissent

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Across
  1. 3. There is rarely a vigil without them...
  2. 5. Offers protection from viruses and from tear gas
  3. 7. One of the symbols of the Hong Kong protests
  4. 11. Provides shelter to protesters, key for camping
  5. 12. Essential to amplify voices!
  6. 13. Linked metal rings that help protesters to hold on
  7. 15. Useful for documenting police abuse and protests
  8. 16. Not a alcoholic drink, but this cocktail needs a bottle
  9. 17. Pink powder used to protest violence against women in Mexico
  10. 18. Long strip of cloth with something written/printed on it
Down
  1. 1. Vehicle needed for a Critical Mass protest
  2. 2. Mascot for the collective Am Boden Bleiben (Germany)
  3. 4. Superhero who attended protests in Brazil in 2014
  4. 6. An Iraqi journalist once threw one at U.S. President George Bush
  5. 8. Similar to graffiti but faster to produce
  6. 9. The "Trump Baby" is one famous example of this object of dissent
  7. 10. Canned food not allowed in museums anymore...
  8. 14. A garment in yellow to protest fuel taxes, in black to defend undocumented migrants