Warp threads are thicker than the weft, and made of a coarser wool as well. I think of them as like wives. Their work is not obvious - all you can see are the ridges they make under the colorful weft threads. But if they weren't there, there would be no tapestry. Georges would unravel without me.
Tracy Chevalier, The Lady and the Unicorn
marriage, tapestry, weaving