Pocket knives

type of pocket knife containing multiple tools

thumb|A collection of pocketknives thumb|A Swiss Army knife made by [[Victorinox]]

type of folding knife

thumb|A folding switchblade|250x250px

thumb|No. 10 Opinel knife with carbon steel blade, Virobloc twistlock, and beechwood handle thumb|Functions of the Opinel Knife: unfolding and locking the blade

thumb|A simple penknife thumb|A 16th century depiction of using a penknife on a quill

pocket knife

right|thumb|Higonokami knives

right|thumb|300px|A contemporary navaja of traditional design, with a blade

small popular Czech pocket knife shaped like a fish

type of knife

The douk-douk is a French-made pocket knife of simple sheet-metal construction. It has been manufactured by the M. C. Cognet cutlery firm in Thiers, France, since 1929.

The Umnumzaan () is a folding pocket knife manufactured by Chris Reeve Knives of Boise, Idaho, and designed by Chris Reeve.