Cutting a seatbelt is easy. Many knives can do that. However, slicing through a strap that is pressed tightly against the body of an unconscious victim of an auto accident without cutting the victim ...

Using some quiet workshop time to test the power and precision of my servo motor setup with a strap cutter. Fine-tuning speed ...

It never ceases to amaze me how the simplest of tools can be of greatest value. Consider the value of the first knife; the first blade man found or created that allowed him to cut and penetrate meat, ...