Try to make a yoroi-doshi style tanto with kobuse style steel construction
Forging the core steel for Kobuse style steel construction
Soft steel pieces and too hard steel pieces are selected. Core steel is forged out after 12 time foldings.
Forging the outer steel what becomes the edge
Dense and hard steel pieces are selected. Outer steel is forged out after 15 time foldings.
The core and outer steel are constructed to one block with the kobuse style.
Drawn out
Shaped by hammer work (Hizukuri)
Shaped with plane and files
Clay designing
Just after quenching
If it doesn't appear fatal flaws, the price would be 250,000.yen with shirasaya, silver habaki, and polishing.