Making a Japanese style hammer by hand. First time I make an hammer or puch a hole this big, my new forging hammer it’s made! Big thanks to Nerd Inventor for providing suitable c40 (1040) steel for this project, check his videos here: https://www.youtube.com/channel/UCElFm7ZS9bRLCN_87t0hMSA Also thanks to my dear friends Dotti and Edo for helping to punch this hole!