Home & Garden Home $5 DIY Gas Mask for Surviving Occupy Wall Street By Jerry James Stone Writer California Polytechnic State University Jerry James Stone is a food blogger, vegetarian chef, activist, and internet personality who started writing for Treehugger in 2004. our editorial process Twitter Twitter Jerry James Stone Updated October 11, 2018 ©. Frenzy at Instructables Share Twitter Pinterest Email Home DIY Pest Control Natural Cleaning Family Green Living Thrift & Minimalism Sustainable Eating © Frenzy at Instructables As Lloyd Alter confirms, the Occupy movement is very much an environmental movement: off-the-grid camps are set up across the country, surprisingly with 21st-century tech. And since things have been known to get a little out of hand from time to time, this DIY gas mask by Gregg Horton is the perfect accessory for the revolution. It's cheap, easy and kinda cool. Reduce, reuse and remember, the fifth of November! Supplies 2 liter soda bottlen95 rated face mask (Tear gas is a dust, not a gas so this will be perfect)Duct tapeStapler 1. Using a sharpie, mark your 2 liter soda bottle for fitting your face. © Frenzy at Instructables 2. Using a knife, cut the bottle along those lines. © Frenzy at Instructables © Frenzy at Instructables 3. For this to work, you need to have a seal between your face and the bottle, and not the cute baby kind. Use duct tape to wrap the edges of the bottle adding extra layers as needed. You can check the seal by placing the mask against your face. © Frenzy at Instructables 4. Remove the yellow straps from the facemask but save them for later. You will want your gas mask to be hands-free. © Frenzy at Instructables 5. Shove the mask into the bottom of your bottle. 6. Now staple the yellow strap to your mask and you are ready to go! Now, it is not entirely clear how well Gregg tested this mask. Or if at all. So I suggest you use it with caution. Heck, the way things are going, I suggest you #occupy with caution.