This is a test of commonsense. Complete the next sentence:

How to tie a swivel
Make a loop and thread it through the swivel.
Fold the fishing line back over on itself about 4 inches (10 cm) from the end of the line to make a loop. Then, thread the loop through the swivel.
Push the swivel through the loop when making a basic knot. Wrap the loop around the line and tuck it through the hole that is created, as if you were going to tie a basic knot.