Complete
00:00:00
1 8 10 12 19 21 2 18 3 13 15 4 9 16 5 14 6 17 20 7 11
  1. 1 a Someone willing to trade favours for mutual advantage? (13)
  2. 8 a Open pastry case (4)
  3. 9 a Somewhat unreasonable or OTT (1,3,4)
  4. 10 a Sleuth (10)
  5. 12 a Source of danger (6)
  6. 14 a Disturbance (6)
  7. 15 a Urchin (10)
  8. 19 a Unpredictable factor (4,4)
  9. 20 a Skating jump with a turn (4)
  10. 21 a Another item? (9,4)
  11. 2 d Signal that it's safe to come out (3,5)
  12. 3 d Japanese martial art using split bamboo swords (5)
  13. 4 d Was incompatible (7)
  14. 5 d Bye (5)
  15. 6 d Funny (7)
  16. 7 d Per person (4)
  17. 11 d Commercial activity (8)
  18. 13 d Curtail (7)
  19. 14 d Islam's holiest month (7)
  20. 16 d Grind (one's teeth) (5)
  21. 17 d Burner — passion (5)
  22. 18 d Cylindrical storage tower (4)

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