this is my second knife, i did it at school in my free periods, so i hope you all like it
Step 1: Making Old Tool Soft for Shaping
at first, put your old tool inside an oven (900degree celsius). after the tool is all colour red, take it off from the oven and let it become cold inside of a bowl full of sand. this way of cooling is slower than atmosphere cooling, so the tool become soft again before shaping.