1 Exercise can start to strain nuts (6)
2 Particulars of plaice dish served on board (8)
3 Listener’s font-head appears, at first, thus; setter is intimidating (8)
4 Dear, is nothing sacred at last? (8)
5 Sunday best is a riot (6)
6 Jail fashionable bird (6)
7 Seafood obtained by priest boarding vehicle on an island (8)
15 Linesman, reportedly, a medical 6 (8)
17 Affront her unknowingly, concealing outlaw's position (2,3,3)
18 Brushes up on King's Knight Opening to succeed
(8)
19 Bishops caught in action replay (7)
21 Order new starter, having dined (6)
22 Oddly, third Home Guard leader being carried away in the main (6)
24 Italian nationalist's to revive old songs, originally beginning with these? (6)