To join two pieces of rope of unequal thickness; ideal for extending mooring or towing lines.
Instructions
Form a loop in the thicker rope and hold it in one hand.
Pass the thinner piece of rope through the loop then round the loop.
Take care to go round the short end first then round the long end.
Finally, tuck the smaller rope back under itself to finish the Sheet Bend.
Can be undone even if it has been under strain
