Boucle can be conquered, lol. Here's the proof.
Mum was very obliging, posing with a blanket over her in 38 degree heat. No patterning or cabling, unfortunately, because of the difficulties working with boucle. The cabling would have been easy enough but dropping stitches either side of the cables and ribbing them back up proved to be almost impossible.
The reverse is just a simple hem, enclosing a cotton backing.
My newest project is almost finished - I'm on a roll