No I don't. I occasionally run them across a grinding wheel to re sharpen them, but not often. They work surprisingly well even when dull. It's not as critical to have a razors edge as you might suspect.
@@JustinsMakery I tinker with black smithing and tool making and I’ve always been thought to re-temper after heating, but for clay tools….totally makes sense. On another note-I made a bottom setting tool for my wife from PVC, but we just discovered your adjustable version and she’s going to order it!
Clever use of a hacksaw blade, subscribed! If you want more subs, feel free to embed your video on our homemade tools forum; looks like you're one of us :-)