Karen Leclair’s ankles were bound and tied with nylon fishing rope, which is used to secure anchors, and an anchor was tied around ... the couple leaving their boat slip around 12:43 p.m ...

At the very least it's what you'll be using to tie the boat off at a dock or affix to an anchor. Having extra rope on board is also a good idea, though. Depending on the length and thickness ...

The victim, later identified as Mr. Seymour, was struggling to hold on to the anchor ... grip on the rope. “I pried his hands loose, and that’s when Nassau County got his boat in close enough ...