Cryptic crossword

ACROSS

1. Coconut product or cap made from it (5)

4. Superficial lustre will disappear when it’s about right (7)

8. They sang, and Mr listens out for them (9)

9. Keep price down to score at cribbage (3)

10. Without a title it shows nude man moving about (7)

12. Square pilaster seen in an Italian tabernacle (4)

14. Went in for one of the Oaks perhaps in the finish (7)

17. Look open-mouthed at space with first Explorer (4)

18. Cocktail Henry used as a weapon (7)

20. Low sound from satellite unfinished (3)

21. Medusa and Jill, endlessly fleshy in form (9)

23. Switched roles by appearing in a staid fashion (7)

24. Dull and shabby as boat looks without hydrogen (5)

DOWN

1. Must compare, e.g, with such as are played on video (8,5)

2. Nip up for a gin cocktail if wasting away (6)

3. An element may not, in its construction, be possible (8)

4. It will compete with life as the French know it (3)

5. Chance a schoolmaster turning up with potassium (4)

6. Stake a little devil on the unit (6)

7. Arrogant when intoxicated, Andy might turn to it (4,3,6)

11. Something imaginary that could be made right (5)

13. Sold tea Derby was set out for (8)

15. Coolness with which MP can lob a miscellany (6)

16. Wing no one will hurry up to provide (6)

19. It is partly open to a jolt (4)

22. Bird may produce a short narrative poem (3)