Switch knife Symbol Analysis

Four: Take a look at that knife. It's a very strange knife. I've never seen one like it before in my life and neither had the storekeeper who sold it to him.

[Eight reaches casually into his pocket and withdraws an object. No one notices this. He stands up quietly.]

Four: Aren't you trying to make us accept a pretty incredible coincidence?

Eight: I'm not trying to make anyone accept it. I'm just saying it's possible.

Three: (shouting). And I'm saying it's not possible.

[Eight swiftly flicks open the blade of a switch knife and jams it into the table next to the first one. They are exactly alike. There are several gasps and everyone stares at the knife. There is a long silence.]

Five: …Anyone who’s ever used a switch knife would never have stabbed downward. You don’t handle a switch knife that way. You use it underhanded. [Illustrates.]
Eight: Then he couldn’t have made the kind of wound that killed his father.
Five: I suppose it’s conceivable that he could have made the wound, but it’s not likely, not if he had any experience with switch knives, and we know that the kid had a lot of experience with switch knives.

Eight: [to Three] They’re waiting. [Three sees that he is alone. He moves to table and pulls switch knife out of table and walks over to Eight with it. Three is holding knife in approved knife-fighter fashion. Three looks long and hard at juror Eight and weaves a bit from side to side as he holds knife with point of it in direction of Eight’s belly. Eight speaks quietly, firmly.] Not guilty. [Three turns knife around and Eight takes it by handle. Eight closes knife and puts it away.]

Three: Not guilty!