365 days a year, minus time through the airport I have a SAK Mini-champ. It has just about everything you need, even a pen which I use all of the time. This is my EDC because I have to wear a suit all week and the mini-champ is the same size as the classic, just thicker and very sheeple friendly. Outside of the office I always back it up with a bigger slippie. I rotate alot of knives, but a medium stockman or two blade Moore Maker are the heaviest in the rotation.