My second battle with Twin here, and in my mind equally bruising
I found bits of this very hard and indeed I don’t really get 10a so elucidation is welcome. Thanks, I think, Twin.

I(sland) inside a thrown PERHAPS* Nicely disguised perhaps I thought
BAND – musicians & IT – (sex) appeal
Well I can see it’s ON in TIC – movement, sure you could argue SPUR=TONIC but what is “against one’s will” doing?
TIGHT – close, near & TRUSS – a rope. Not sure I needed reminding about an ex PM.
REEL – to pitch replacing the I – the setter in F(i)ANCE – future partner
Think kiddies rides at fairgrounds, G(ood) removed from RID(g)ES – crests
MB – doctor inside SORE – cross
ESSE – being, ones nature or essence & R(ight) after DR – doctor
UTTER – to speak, articulate & a heartless L(ad)Y
End of (bal)L inside a recycled [TIP EG]*
DISH – food & end of (trolle)Y
Most of SEREN(e) – still & GET – receive & I(ndependence)
TRAMLINES* done &litish certainly
HORN* played & head of E(arly)
Somewhat extended def here. ME – Middle East in YEN – want & I – one
[AT RUDELY]* upset
You could separate this as SE (London area of the UK) TOFF
PENT – restricted & ECO – green & ST(reet)
LE – the French – inside a decapitated (c)HUCK BERRY & FINN – a Scandinavian
UNITE – link – reversed – heading North in a down clue in RE – engineers
[AGENT NEARLY TORE]* set free
Designer DIOR & D(ied) all reversed – uprising
Alternate letters of TaRgEt A & SURE – positive
A & GREED – deadly sin. Lovely compact clue that.
ERODE – destroy * VETS – screens all reversed – around
[IN DUP]* fiddled & TRY – to tax, bother
Hidden in goodbYES MANage. Don’t be a Yes-Man, if the boss says no, you say no.
PER – a & USED – second hand
FINE – punishment & RY – railway, lines
R(ight) inside SCAM – trick
TONIC
TIC, being an involuntary movement of a muscle, it is
‘movement, against one’s will’.
Liked DROID, the anagram for SAPPHIRE and everything else. Thanks flashling and Twin.
Thanks, Twin and flashling for the lovely puzzle and the excellent blog!
YES-MAN
Liked your comment. LOL.
Top faves: SET OFF, STEVEDORE.
I really enjoyed this with SET OFF my favourite of many excellent clues.
My page looked a mess as one of my first entries was ATTORNEY GENERAL which I stupidly wrote in with only one T. I only realised when I had an empty light at the bottom. Oops.
Many thanks to Twin and to flashling.
I parsed TONIC as KVa – but, regrettably, I didn’t parse STEVEDORE as did they. I didn’t clock ’round’ as the reversal indicator. Otherwise, this was a clean sweep but it did take a couple of passes to achieve. Very tightly clued and, as flashling says, quite tough. Favourites for me included SOMBRE, DRESSER, TERMINALS (COTD), ADULTERY, PENTECOST, RETINUE (the irony!), DROID, TREASURE, AGREED and YES MAN.
Thanks Twin and flashling
Excellent puzzle, tricky in places but very rewarding and enjoyable to solve. Thanks, Twin and flashling.
Very nice for waking up and returning to Inqy!
Thanks Twin
Tricky in parts but managed in the end, though needed the blog for the full explanation of RETINUE and STEVEDORE.
HUCKLEBERRY FINN was my favourite.
Thanks to Twin and Flashing
Quite a lot of thinking involved… took a while. interestingly Finns don’t think of themselves as Scandinavians..
Thanks Flashling n Twin
We took ages to decide that teacups might be RIDES; eventually Google directed us to all things Disney which (with the honourable exception of Fantasia) we detest. Otherwise a satisfying solve – we particu;ar;y liked PIGLET and HUCKLEBERRY FINN.
Thanks, Twin and flashling.
Thanks Twin, that was great. I needed several sessions to complete this and I enjoyed the challenge. My favourites were SAPPHIRE, TERMINALS, YEMENI, ADULTERY (nice surface), HUCKLEBERRY FINN, and the well hidden YES-MAN. I don’t believe many people in the Nordic countries see the Finns as Scandinavians but many in the rest of the world do so I won’t object. I couldn’t parse STEVEDORE. Thanks flashling for the blog.
Nice one! – chewiest on the https://en.wikipedia.org/wiki/North_West_Frontier_(film) (1959) – SAPPHIRE, PENTECOST.
Also liked CHUCKLE BERRY FINN – allan_c@10 – are you clairvoyant(s)?
Thanks T&f
Bit (well very) late to this so I hope the setter will see my complimentary comment.
Very enjoyable with clever and imaginative wordplay throughout, I particularly appreciated TONIC, PIGLET and HUCKLEBERRY FINN but could have mentioned several more.
Thanks Twin and flashing