We all know the problem with spinnaker halyards that eventually get tangled, which can sometimes lead to some not-always-controlled acrobatics.
You should choose a relatively dense rope with a tight braid that doesn't "kink," such as Magic Race or Liros Dynamic Plus, for example: the best test for choosing the right rope is simply to twist it to see if it immediately returns to its shape or not.
Video demonstration ⬇️



















