excerpt from chapter 12 of the horrors.
Jinny Greenteeth is considered a dark sidhe, a wicked fairy. Alternately some believe she is the ghost of a woman murdered in the bog. She’s attractive at first, luring you in. Then she will grab you, hold you tight, and pull you under. Then she devours you.
She may pretend to be a drowning woman, in order to get you into the water- or a beautiful nude woman, swimming, enticing you. She haunts rivers, ponds, and bogs. Some say she is a terrestrial mermaid, cut off from the ocean and forced to stay in freshwater.
The only way to escape her is to look away and not allow her to touch you. Once she’s touched you, like weeds, she will wrap around you and bring you under the surface.