Knot crossword

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Across
  1. 4. A common but unstable knot.
  2. 6. A way to join two ropes together.
  3. 7. A powerful knot for tightening loads.
  4. 10. A reliable loop often used in sailing.
Down
  1. 1. Used to tie bandages or packages.
  2. 2. A stopper used to prevent slipping.
  3. 3. A way to shorten a long line.
  4. 5. A simple way to bind two ends.
  5. 8. Used to secure rope to a post.
  6. 9. A very tight binding maneuver.