Most likely, it is a typographical or cognitive mashup. Perhaps the user intended:
The handsmother came at midnight, not as a man but as a memory of wool and knuckles. Stranglenails held my throat like a question. I woke with half-moons in my skin. handsmother stranglenails
The area under long nails is a prime environment for bacteria and microbes, which may not be fully removed by standard handwashing. Most likely, it is a typographical or cognitive mashup
: Contrast the delicate, soft texture of the antique lace with the sharp, jagged edges of the hidden nails and the cold silver box. handsmother stranglenails