The constrictor knot is a way of making a secure, temporary or semi-permanent binding (it’s a good temporary whipping for a rope, closing a bag, or holding a punch of poles together.)
Picture of Crossbow trigger mechanism (simple but sturdy)
Easy and beautiful way to cover hoops, bangles, etc. !
paper origami boat - this is not the droid you're looking for
A new D-loop knot. [Archive] - Archery Forum
Attach electrodes to jaws
Geodesic Dome Residence - Architectural Model