How to tie a double overhand knot
The double overhand knot is highly valuable in forming many more complex knots and when tied around something it forms a strangle knot. A strangle knot is convenient when securing a roll of blueprint, a bundle of pipe or to secure a glued joint while the glue is drying.

Step 1
Take a bend of rope.

Step 2
Make a loop with the running end going over the standing end.

Step 3
Wrap the running end around the standing part.

Step 4
Wrap the running end over the standing part a second time.

Step 5
Wrap the running end around the standing part for the second time.

Step 6
Feed the running end through the first loop.

Step 7
Continue feeding the running end of the rope through the loop.

Step 8
Feed the running end of the rope through the second loop.

Step 9
Pull the running end of the rope to tighten.

Step 10
Dress the knot as it tightens.

Step 11
Final View.