The needle refused to pierce the multiple layers of cloth, dis-engaging the fly-wheel. So I changed to a heavier needle, and the same thing happened.
So I took the dog for a walk in the woods.
When I came back I tried changing the needle again.
The hem was simply turned over twice and top-stitched.
Oddly, there is also a touch of cow-girl style going on, and it is very "country and western" with my cowboy boots!