How to Make a Non-Detectable Knife for Self-Defense
16:50
Can These 4 Self-Defense Gadgets Protect You?
23:19
Can I make a Good knife with NO power tools?
22:01
Knife Expert: The Truth About Knife Defense Will Shock You!
22:54
A faca mais útil que já fiz – e é surpreendentemente fácil
11:31
Cool Mini Self-Defense Gadgets You Can Actually Carry
19:09
“NUNCA vi uma força como essa antes”
12:26
Here's A Simple Hack To Escape Handcuffs
8:18