See also Witch
She was the most dainty of all the sisters, and when she took a white wand in her mouth it vanished away. That was what she could do. But the goblin chief said this was an art he wouldn't like his wife to possess, and he didn't think his sons would either.
The second daughter could walk alongside herself as if she had a shadow, which is something that trolls don't possess. The third was a very different sort of girl. She had studied brewing with the swamp witch, and she was a good hand at seasoning alder stumps with glowworms.
"Now this one would make a good housewife," said the goblin chief, winking instead of drinking to her, for he wanted to keep his wits clear.
The fourth daughter played upon a tall, golden harp. As soon as she fingered the first string everyone kicked up his left leg, for all of the troll tribe are left-legged. And as soon as she fingered the second string, everyone had to do just as she said.
"What a dangerous woman," said the goblin chief.