What does the cryptic crossword clue "Since getting hold of fashion label, swan around East End in denim headgear (9)" mean?

The wordplay uses a charade (building blocks). COCKS (synonym="COCKS") + COMB (synonym="COMB") = COCKSCOMB The answer is COCKSCOMB.

Since getting hold of fashion label, swan around East End in denim headgear (9)

Guardian Cryptic #29594 | 14 Down | 2025-01-17 flower