Assisted opening systems have been pioneered by makers like Ken Onion with his "Speed-Safe" mechanism and Ernest Emerson's Wave system, where a hook catches the user's pocket upon removal and the blade is opened during a draw.
Ken Livingstone | Ken Burns | Ken Loach | Ken Russell | Ken Kesey | Ken Dodd | Ken Salazar | The Onion | Ken Sugimori | Ken Saro-Wiwa | Ken Vandermark | Ken Dryden | Ken | Ken Rosewall | Ken Mandelbaum | Ken Dorsey | onion | Ken Wilber | Ken Venturi | Ken Follett | Ken Berry | Ken Stringfellow | Ken Jennings | Ken Howard | Ken Campbell | Ken Arthurson | Ken Schaffer | Ken Patera | Ken Nordine | Ken Hirai |