The moment you take this "lock" in hand, you will feel that this lock is not likely to open simply. The 2 oval pieces surround inside the circular piece, arranged in a way that they stubbornly refuse to be apart, and released from each other grasp. It feels like they return over and over again to the same place, but you will need to challenge yourself not to give up.
- Difficulty Level 5: Extreme
- Approximate Dimensions: 1.25" x 1.75" x 0.75"
- The theme is "stubborn".
- Designed by JinHoo Ahn from Korea.