Quirofilia
Quirofilia (also chirophilia) is a fetish for hands — erotic attraction to fingers, palms, a good manicure, or simply hands one finds beautiful. Hands are expressive and do so many sensual things — touching, stroking, gripping — that fixating on them is a natural, if niche, fetish. Enthusiasts may be drawn to a partner's hands aesthetically, love watching them in action, or eroticize being touched by (or touching with) them. It sits among body-part fetishes alongside feet and other features. The hand's dexterity and intimacy are central.
Hands are both beautiful and useful — elegant to look at and the instrument of so much touch — so for a quirofile their look, movement, and the sensation they deliver are all arousing. Watching skilled, attractive hands at work carries a quiet, intimate charge.
It might mean admiring a partner's hands, enjoying manicures or hand care, focusing on hands during touch (a lingering caress, fingers in the mouth), or building play around them. Often it simply heightens appreciation of manual stimulation.
No real risk. Basic hand hygiene applies if fingers go in the mouth or genitals; otherwise it's pure appreciation.