Just curious to hear if any of you have a knife you can't do without. If you lose a certain knife, does it have to be replaced? I have a number of modern single blade folders. And an assortment of fixed blade knives. I tend to carry different modern folders and fixed blades, depending on my mood and activity. But I constantly carry a Victorinox Small Tinker. And when it is lost, I have to get another. In fact I have a spare in the desk now. Do any of you feel the same way about any knife of any style? One you have found to be so handy that you feel handicapped without it.