Can rebar really become a usable knife? A length of construction rebar is transformed into a sharp, custom knife through careful forging and heat treatment. Typically used to reinforce concrete, rebar ...

This video demonstrates the process of forging a knife from 25mm rebar. The creator tests the rebar for hardenability before starting. **Timeline:** 0:00 Drawing Out Blade 2:02 Hand Forge Bevels 2:49 ...