Sunday Times cryptic

[mra1]

Stuck on 2 - 28 ac (7) Bums are on view from behind in say swimming costumes T?E???S and 21D (6) This is evidently the first and last in saloon cars ?I?R?? - assistance please - totally stumped

[Lie-in King]

28a Toerags (bums) - 'are' (back, in) 'togs'
21d Sierra - 'S' (1st & last letter of) 'S(aloon car)S'

[mra1]

You have made everything crystal clear as usual Lie-in-King - many thanks

[barry123]

7) TOERAGS....To (era) gs

[Mamyalynne]

eeeeeeeeeeeeeeeeeeee

[boxtops]

better late than never! :-))

[hmsganges]

Many thanks guys, I knew you'd come up trumps!!

[Svejk]

Have I wandered into the twilight zone??????

[Mamyalynne]

yes

[bibblebub]

that is the signpost up ahead