ah, the ratcheting navajas, the last sound you want to hear because it likely will be the last sound you ever hear!
click-click-click-click-click
thanks for posting. now i know more about how my humble ones were made.
(for scale, larger one (6 in. blade) is 13" from point to end of the grip when opened fully, the baby one is 7in. (3in. blade))