Cryptic crossword

ACROSS

1. Lead encasing mass in foul, decaying matter (4,5)

6. Get hold of end of cutting tool (5)

9. Volume written on edge of a cover able to hold water (5)

10. Is part-timer covered in reflective form of red paint? (9)

11. Vote teller rigged as an expression of affection (4-6)

12. Drive hard down last bit of steep slope (4)

14. Hairpiece went up and down (6)

15. Suave first-timer doing a radio show maybe (8)

17. Strong, virile fellows restrained by beastly doctor (8)

18. Uses adhesive to fix essential drumming equipment (6)

20. Move around slowly and aimlessly in vehicle mostly (4)

21. Identified people, man demeans wrongly (5,5)

24. Straightening out disorganised agent holding nine back (9)

25. One who has unlimited supply of sedatives (5)

26. Shoot a weapon (5)

27. Passed around special song printed in prominent letters (9)

DOWN

1. First woman learning to drive plane? (5)

2. Finished treatment of each pelt in a mess (3,4,3,5)

3. Moslem deed, requiring translation, could be intrusive (10)

4. Add new information to electronic organiser kept in vehicle (6)

5. Ruffle prudish Eve liked to some extent (8)

6. Ordered rails from galleries with delight (4)

7. Repay one paceman upset with remuneration for playing (10,5)

8. Reacts to doing hard work through summits (9)

13. Padding from bed now stuffed inside puppet (6,4)

14. Small-time writer, appearing in openings, composed musical items (9)

16. Run a dive badly lacking diversity (8)

19. Fellow at the back nicks chunky chips (6)

22. Grate is starting to rust in shed (5)

23. Scrutinise count, for example (4)