Quote Originally Posted by Monkey@Arms View Post
Hey Robin, those things cut on to the the spine of the blade are called "jimping." They provide some slip-resistance and are also decorative, but fish scalers they are not.

Best regards,

Jake
Jake,

Some depending on how they are set up are for scaling fish, others for stabilizing your thumb, then even others for sawing light metal. Couldn't resist that - it's the knife collector in me I guess. Sorry.