Back in the 1980s2H there was a brief fashion trend of woollen knit sweaters with IC mask type patterns. Guessing related to designers playing around with design software and knitting tech made possible by microprocessor revolution.
Core rope is different from core memory and much rarer. Core rope is essentially ROM, using much larger cores with wires going through or around a core, storing 192 bits per core. Core ropes were hand-woven (with machine guidance) for the Apollo Guidance Computer.