You are walking on a dimly lit road at night when another person approaches. You're strangely curious and worried they might steal your belongings and accessories .2 have 2 options.Firstly, You grab your most valuable possessions ie wallet, mobile, and other accessories, and pray for all mighty and hope they will pass by.
The other option is this Ring like a knife that can hammer the blade and defend yourself. Ultimately, your safety is your defence. This ring-like knife can be a quality everyday ring and can camouflage your defense weapon.
Ring-like knife created with solidworks
A knife disguised as jewelry. The material is made up of steel.
The visual representation to understand the human hand-to-scale ring like knife.