My main users are-
folder; SAK (Victorinox) Swiss Champ
small; SS4
medium; S6 (considering changing this to a Basic 7 soon)
large; Tramontina Bolo (money to performance it's the only rival to yard knives)
If I ever get a 4X4 and off-road it, my DF would get days out.. My SS4 is my hiking knife.