thumb|alt=An orbitoclast and a mallet An orbitoclast is a surgical instrument used for performing transorbital lobotomies.
thumb|alt=An orbitoclast and a mallet An orbitoclast is a surgical instrument used for performing transorbital lobotomies.
Because actual ice picks were used in initial experimentation and because of continued close resemblance to ice pick shafts, the procedure was dubbed "ice pick lobotomy".
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).