I know the first thing everyone is thinking is that I fell from a tree and hit my head really hard. Everybody knows that when you quench a katana-like sword in water the tip goes up and when you do it in oil the tip goes down. But water causes blades to crack and oil doesn’t, so some people will pre-curve the blade and quench in oil for that reason alone. Up until recently, I have used water or water-to-peanut oil as my main quenchant. Why? The hamon are more vivid and I can grind a blade strai