If you've been using a knife to cut birthday cake this whole time, you've been doing it all wrong. When the US Navy cuts a cake, it does it properly — using a digger.
This shot shows Equipment Operator 2nd Class Sam Sutheimer, from the US Navy Expeditionary Logistics Support Group, divvying up a cake the best way. Yes, that is an entrenching tool attached to the bucket of a digger. And yes, that is super cool. I wonder how neat the slices were? [Navy.mil]
Image from United State Navy