Continue around the post;
Under the standing part;
Slip the end up through the lower loop;
Pull tight.
6. Sheep-Shank
The purpose of a Sheep-shank is to take up slack or shorten a rope temporarily. It is used on tent ropes, tow lines.
To make the Sheep-shank:
Cross the hands and take hold of the rope;
Take up the slack by drawing the hands past each other;