In this video, I am transforming a rusty drill bit into a butterfly knife, also known as a balisong, which is a type of ...

If you buy from a link, we may earn a commission. Learn more Although it dates back to ancient agriculture, the Southeast Asian karambit knife is most closely associated with tactical usage. While ...

If you buy from a link, we may earn a commission. Learn more Although it dates back to ancient agriculture, the Southeast Asian karambit knife is most closely associated with tactical usage.