In this marginal seat there is as yet no sign of an SNP surge, and they may just be losing support to Labour too.
Here’s our best stab at who is voting for whom, and this list will be updated each morning, as the contest continues.
If you’d had to guess which of their MPs would rebel on the deal, Lamont and Ross wouldn’t have made the top six.
Also: Scottish Tory MPs break ranks for clean Brexit; Welsh Conservatives demand Jones publishes leak inquiry; Smith attacks Murrison over loyalist’s invitation; and more.
The Prime Minister failed to boost the fortunes of female candidates, and in other ways there is a shift away from the 2015 intake who came of age under David Cameron.