[jeromenerf]

Planning wood, expect during kezuroukai, is annoying because knots are hard and deform the thin edge; most often still wet enough to oxydize the thin edge; finally full of abrasive silicium to abrade the thin edge.

Meanwhile, lake erie toolworks is creating powder metallurgy CPM magnacut blades for western style planes, which seemingly never gets dull because of corrosion resistance, wear resistance and hardness.