1 2 3 casa hand woven and hand spun mongolian cashmere and yak blankets wrap. throw. drape. hand woven mongolian cashmere wraps and scarves artisan heritage slow living at it's best - cosi combines top quality yarns, design and workmanship with social and environmental responsibility. cosi cashmere collection covent garden, london: parisian red and raspberry hand woven blanket casa collection on location in nottinghill london our casa collection of natural mongolian yak and cashmere blend blankets scarves. wraps. throws. blankets. luxury sustainability.