The unique knife is made of a sleeve (without forging)

Hi guys!
I hope you enjoy my video in which I try to make a unique knife. A big plus for those who don't have a workshop is that this project doesn't require one.
My Instagram is / bogdanmarch. .
If you liked the video and want to support the channel:
BMC - www.buymeacoff...
#Bladesmithing #SanMaiForge #ForgingSkills #knifemaking #forging #diy #bladesmithing

[@Феликс-к8ж]

Is this cartridge case by any chance from a Barrett 50 caliber?