The Choil: an often-misunderstood feature of knife anatomy intended to allow sharpening the entire length of a blade's edge. If large enough, this... | By KnifeCenter | Knifecenter knife one oh one.
Sharpening a Spyderco - Should you add a sharpening choil? - YouTube
Kitchen Knife Anatomy Explained: Spine, Belly, Choil, and More! | Knifewear - Handcrafted Japanese Kitchen Knives
Knivesplus.com - Sharpening Choil or No Sharpening Choil? We are considering adding this feature as an "Add-On" Service on new knives. It would cost $5.00. This can be done by just about
What to look for at a kitchen knife choil - ChefPanko