No Use Flogging One
Puzzle 18 of Soft Things Piece of Cake Pack
Question is: No Use Flogging One
and the answer is: DEADHORSE
Word Meaning:
DEAD HORSE — (dated, nautical) The period of work on board ship for which the seamen have been paid in advance (usually a month's wages), the end of this term being celebrated by parading a straw horse about the decks.
Definitions from Wiktionary.