The first two things that popped in my head were my thermometer and weed poker tool so ill go with those. As far as the thermometer, any meat I cook is juicy and perfect and it also doubles as an oil thermometer so I can make sure my temp is good for deep frying. It’s become pretty indispensable in my kitchen. The weed tool I have has a flat bottom to pack bowls avoiding the tar on the bottom of my lighter. The poker part is self evident, and it’s also got a little flat scooper leveler kind of tool which is great for keef and the like. Useful and also makes me feel like a fancy stoner, and what stoner doesn’t want to be a fancy stoner ya know?