Here is a concise summary of the provided transcript:
**Title (Inferred):** "Doing Our Nails on the Subway Challenge"
**Summary:**
* Christine, joined by friends Sofia (from Sofia Nygaard) and Corinne (from Fred Bangor), attempts to do their nails on a busy New York subway.
* The challenge involves navigating limited space, motion, and time to paint their nails with various designs and themes.
* The group faces numerous hilarious mishaps, including polish spills, difficulties with stencils, and balancing issues.
* Despite the chaos, they manage to complete their nails, with mixed results, and reflect on the experience.
* The video ends with Christine inviting viewers to share their own subway nail-painting experiences and promoting her friends' channels.
Here are the extracted key facts, each with a number and in short sentences, excluding opinions:
1. The video features Christine, Sofia Nygaard, and Corinne from Fred Bangor.
2. The video was recorded in New York.
3. The group decided to do their nails on the subway due to limited time.
4. Christine had previously done her makeup on the train during her sophomore year of high school.
5. She took two trains to get to school every day.
6. The nail polish used in the video did not have a sponsored partnership with Fiber, which was advertised on the subway.
7. Christine charges $5 for painting nails.
8. The group used various nail polish designs, including cats, maple leaves, stars, mermaid scales, and Kylie Jenner's likeness.
9. Stencils were also used for nail art, with designs like Voldemort's nose and a domino.
10. One participant attempted to paint a black French tip.
11. The video was recorded on a moving subway with 12 stops.
12. Christine shared her glossy topcoat with the others, something she only does with close friends.
13. The video is followed by promotions for other channels, including Korean and Rob's channel (food) and Science For Your Face News Channel.
14. The video ends with an invitation for viewers to share if they've ever painted their nails on a subway.