The red is a synthetic material, and the black is Stabilized silky oak from Mark at Burl Source!
just as I suspected
That is a serious cleaver
I use both an edge pro and freehand. AM getting to be OK at freehanding double bevel knives and I take my edge pro pro out only for certain special uses,
I have an edge pro, but I have not used it in a long time. I never used it on my japanese knives. I tried on a wusthof 8" and it took forever.