15d Action of steering from Canadian north (4) ?A??
24d Pains in North Carolina: end of alcohol in houses (6) ???O?S
31d Rouse to ecstasy inside proper demon (6) ??E??? (last letter possibly E)
I have a completed grid and the perimeter message. I understand the first part of it but am baffled by the second part. I don't understand how you can do what it says.