THURSDAY’S SOLUTION (NO 7,929):

ACROSS: 1 Crash helmet. 7 Brow. 8 Sporran. 9 Opt. 10 Henna. 11 Tackle. 13 Hybrid. 16 Loyal. 18 Arc. 19 Bit part. 20 Kite. 21 Golden syrup. DOWN: 1 Cornea. 2 At work. 3 Hustle. 4 Epoch. 5 Mariner. 6 Tankard. 11 Talk big. 12 Crystal. 13 Hiatus. 14 Bicker. 15 Instep. 17 Leave.