Pins are made similarly. The main difference is that a slow-drip of liquid glass is dolloped on one end, to make pinheads. Thanks to our friends at Science Channel for sharing this footage with us.

It may still be a small hobby for some, but for more than 30 pinheads this weekend, the game is so much more than neon and nostalgia. It’s a competition they’ve been preparing all year for.

The fast-food chain KFC is bringing pocket-sized solutions for women in collaboration with denim label Pinheads and creative innovation company R/GA, just in time for International Women’s Day.