Waiting pays off!
So does strategy.
It occurred to me that people who have an interest in textile crafts, like sewing, knitting, spinning, weaving, embroidering, and crochet would enjoy that aspect of my plot.
So, I narrowed my submission focus to agents who list one of the above as their hobbies.
In less than 24 hours, and with only a query letter (no sample pages), I had a FULL request sitting in my inbox.
She asked for the full manuscript.
Now, we wait =)