Your friend should just buy a vibrator. Or 50 at the price of this knife.

Your friend is a pervert. I like them.

I will never know

50% less Newtons of force applied downwards as you cut through your food

https://seattleultrasonics.com/products/c-200-ultrasonic-8-chefs-knife

It vibrates at an ultrasonic resonance so you can cut a whopping 50% lighter.

I bought one to keep in my Tesla Truck full of Ouya consoles.

Will you put this screenshot of a 28 business names and their corresponding websites into an Excel file for me?