Ropework
How to Whip a Rope End — Common and Sailmaker's Whipping
Published · Last checked October 2026
To whip a rope end, wrap thin whipping twine tightly around the rope just back from the end, over a loop of twine laid along the rope, then pass the working end through the loop and pull it back under the turns. Trim and, on synthetic rope, heat-seal the very end. A whipping stops the rope fraying and unravelling, keeps it the right size to run through blocks, and lasts far longer than tape.
Why whip a rope end
An unprotected rope end frays quickly. Strands unlay, a fat brush of fibres jams in blocks and clutches, and you lose length every time you trim it. A whipping binds the end permanently. Heat sealing alone on synthetic rope melts the fibres together but the hard blob can break off, so most sailors whip the rope and then seal it.
Common whipping step by step
- Cut a length of whipping twine around 50 cm long for a typical 10 to 12 mm line.
- Lay a loop of twine along the rope, with the loop pointing towards the end and the short tail sticking out away from it.
- Starting near the end of the rope, wrap the long part tightly around the rope and over the loop, working away from the end.
- Keep the turns tight and close together for a length roughly equal to the rope's diameter, or a little more.
- Pass the working end through the loop that still sticks out.
- Pull the short tail so the loop and working end are drawn under the turns, to about the middle of the whipping.
- Trim both tails flush and seal the rope end with a hot knife or lighter if it is synthetic.
Sailmaker's whipping
The sailmaker's whipping is more secure, particularly on three-strand laid rope. The twine is wrapped as usual, then taken up along the grooves between the strands and back over the turns, so it is locked into the lay of the rope and cannot slide off. A version sewn with a needle and palm passes the twine through the rope itself and works on braid too. It is the whipping to use on lines that see a lot of handling, such as sheets and halyards.
| Method | Durability | Best for |
|---|---|---|
| Tape | Temporary | Marking a cut before whipping |
| Heat seal only | Short | Small line; light use |
| Common whipping | Good | General use |
| Sailmaker's or sewn whipping | Very good | Sheets, halyards, heavily used lines |
| Back splice (laid rope) | Very good but bulky | Ends that never run through a block |
Tips for a neat result
- Wrap tape round the rope where you will cut, cut through the tape, then whip and remove it.
- Use waxed whipping twine: it grips better and resists rot.
- Wrap against the lay of three-strand rope so each turn tightens the strands.
- Make the whipping about as long as the rope is thick; longer is fine, shorter can slip off.
Whipping is a small skill but a satisfying one, and it is the kind of maintenance job that gets done on a wet afternoon in harbour. Check all your rope ends at the start of each season.
Learn the ropework basics in the knots and ropework lesson and the core knots in essential sailing knots.