Black safety pins: These are the stealth ninjas of the safety-pin world. “They get used in Hollywood and on photo shoots because they’re invisible on camera,” Schwartz says.

Black safety pins: These are the stealth ninjas of the safety-pin world. “They get used in Hollywood and on photo shoots because they’re invisible on camera,” Schwartz says.

The safety pin meme got a boost from some popular Twitter accounts: Wearing a Safety pin- as a sign that you are a safe haven for those who don't feel safe post-Election. Moving gesture pic ...