I carry a pocket knife and a 9mm everywhere. Cheap pocket knives. Lost one at a OKC Thunder game recently. Forgot it was in my pocket.
Me? A knife and two (2) .380's. And, a 9mm in my computer bag.
I carry a 9mm and two knives, CRKT in right pocket and inexpensive Amazon knife in left pocket for general use. Also have one in range bag, one on driver side visor and another CRKT I carry at the gym. Have lost 2 Swiss army knives over the years. One was run over by a tank at Ft Hood.