I bought this cheap cable off of Amazon US with no ear hooks to try to fix the fit of my CRN.
It’s actually pretty good for $13. Soft, nicely braided, pretty straight out of the box and looks cool in all black.
https://www.amazon.com/gp/aw/d/B08D6HZN5Y?psc=1&ref=ppx_pop_mob_b_asin_title
Edit: added picture