Kotaro on Nostr: npub19fcv2…aay3c BTW, how about bone-conduction earphones?npub19fcv2nflra09c6p9xz8c8detwj6uy07u4z4m25qh836mnvxtatdq6aay3c (npub19fc…ay3c) BTW, how about bone-conduction earphones?