30:28
Why Medieval Peasants Didn't Freeze and Your Modern House Did (in 12 Hours)
17:08
I Built a Paper Katana (it's lethal)
25:19
Shepherd's knife with an old scythe and goat horn. Artisanal forging in the forge
39:52
How Japanese swords are made. The top-secret story of a sword smith.
23:56