Which knot is best for tying together two ropes of different thickness?

The sheet bend.

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  1. Square knot
  2. Sheet bend ✔
  3. Taut-line hitch

Why: The sheet bend won't slip when ropes of different size or material are tied together. Make the bight in the thicker rope and use the thinner rope as the working line.

Huh, didn't know that: For extra security, a double sheet bend adds one more coil around the loop.

The dad joke
Two ropes walk into a bar. The bartender says, 'Are you a rope?' One says, 'No, I'm a frayed knot.'
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References

Answer: Sheet bend. The sheet bend won't slip when ropes of different size or material are tied together. Make the bight in the thicker rope and use the thinner rope as the working line.

  1. Animated Knots: Sheet Bend www.animatedknots.com/sheet-bend-knot
    Joins two ropes of unequal, or similar, size
    Checked 2026-10-09.

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