The backing was cheater fabric I found on holiday last year at a brilliant price (£3/metre) of which 2 m came home with me
), The horse is done in Elizabethean Plaited Braid Stitch in some Laura Wawsoleski(?) theads one of you kind mug-ruggers sent me, on a scrap of suiting fabric. The quilting was done from the back- obviously for simplicity. And it also travelled with me to Loch Lomond, where I did some of the stitches on the banks of said loch
Plaited braid stitch is what is used for the stems on the Plimouth Jacket
here
Mary Corbet has instructions for it
here