I wear a Safari Vest to keep all that little stuff handy.
Volt stick, moisture meter, IR thermo, compass, level, tape measure, sm flashlight (when all else fails in a bad spot), laser pointer, Truck door opener, inspection mirror, pull on foot covers, small power screwdriver with bits (1/4 , 5/16ths nut driver, square drive for Sq D Panels), Painters Tape, camera, recorder…