Please vote for the best clue from October (either by email or comments below). The Clever Clue of the Month will be announced on Tuesday.
Navel base..............................ABDOMEN
Made tense?.............................PAST
Business whose clients might go belly
up?.....................................PETSPA
Secret thing since the '50s.............ROLLONDEODORANT
Time's role in the book business........YELLOWER
Cut the cheese, perhaps.................GRATE