| Clue | Source | Date |
|---|---|---|
| Looped surface (6,5) | The Guardian Quick | 30 Jul 2025 |
| One-sided figure formed by a loop with a half twist | USA Today | 24 Nov 2024 |
| Imports business reduced by half reorganised in one-sided arrangement | ||
| This twisted, one-sided crowd with my team in a sort of spirit | The Telegraph Toughie | 06 Oct 2017 |
| *Surface with only one side |