Playing with different materials...
knife blank from leaf spring, ugly hook from a connecting rod, little hook from 1/4” mild, bend fork from half of a RR clip (tough stuff), kiridashi knife form same RR clip (quenched in oil and very hard), knife shape test from large wrought iron leaf spring, little leaf from WI rr spike (after 2 fails), tiny leaf from ss, start of a copper fish, thanks for looking