"lock-blade folding knives" . . . "Pocketknife#Friction folder" . "Pocketknife#Slipjoint knives" . "Friction folder" . "pocketknives" . . "Pocketknife#Lock-blade knives" . . . "pocket knives" . "Pocket knife" . . . "pocketknife" . "clasp knife" . "folding knife" . "jack-knife" . "jack knife" . "scout knife" . . . . "folding knives" . "Pocketknife" . "pocket knife" . "pocket" . "penknives" . "Pocketknife" . . . "Pocketknife#Slip joint knife" .