How to craft improved fins in Subnautica 2
via polygon.com
Short excerpt below. Read at the original source.
As the improved fins will increase your swim speed in Subnautica 2, it’s best to unlock this blueprint as soon as possible. Swift swimming means faster exploration, quick resource gathering, and less risk of getting bitten by mean fish, so it’s an incredibly handy upgrade to have. All you need are three improved fin locations […]