Why is kimono fabric so narrow?

There is a lot of confusion among Westerners about this issue. We are accustomed to cutting patterns for clothing, quilts, and crafts from 42″-44″ wide bolts, so the idea that a bolt could be so much narrower–12″-15″–seems, well, foreign. Considering the width of a basic backstrap loom, the narrow fabric makes sense. Backstrap looms are easy…