Genius slipper design where you knit a short "scarf", fold and sew onto your bottom. Garter stitch extra chunky yarn about wide, and however many rows you need, then sew into the 2 layers of the felt bottom.
from previous pinner - Swing Thing; shows simple embroidery makes such a difference. Simple looking sweater, too. Click through for free pattern. Ravelry site shows how the right yarn makes a huge difference. reminds me of a coat or when I was little.