Great idea for using up leftover sock yarn. >> Ravelry: weaver's sock yarn woobie - I like the idea, since I don't really dig the saggy knitted blanket thing. Sewn woven squares would have way more structure.
Ravelry: Blender Socks pattern by Heather Sebastian - how to blender leftover scraps of socks. Note: this is NOT a sock pattern, it is instructions for blending that can be applied to your favourite sock construction.