quick release knots

[knot4u]

@kd8eeh post:4

Oh, sorry, I thought i attached a picture of the device, but apparently it didn’t work. Here is the actual device used. It is not a hitch, and also ideally all of the rope would be retrievable without leaving the airplane (ie, you can pull on the slipped end and retrieve the entire rope.

So, do you need a knot that explodes off the anchor upon pulling the slipped working end?

Or do you just need a knot that comes undone upon pulling the slipped working end?