Instablade Credit Card Knife

Thickness of a credit card, not super sharp, not super functional. Don't really see why you would need this. It doesn't stay locked in the open position. #instablade #survivallife #appleseek You can find the instablade here: https://survivallife.com/cb/intl/cck/?hop=appleseek I received this product in exchange for my honest opinion.