Stewart Russell on Nostr: nprofile1q…qn6sp Feathers are expensive because they hold a sharp edge well. ...

nprofile1qy2hwumn8ghj7un9d3shjtnddaehgu3wwp6kyqpqa72cn8mm9d9f6q97g6aqme4xzmqw00u6dfc8ymfr5zqne40rt5es2qn6sp (nprofile…n6sp) Feathers are expensive because they hold a sharp edge well. Whether that's down to plating, grinding or polishing I don't know.