Am I an insect?

No, I'm a frayed knot.

Tortuous puns aside this is the second image in what appears to be a series of "things I've photographed close up because there is nothing interesting going on around me".
This is attached to a lobster creel and what is interesting is seeing how marine life is beginning to colonise it with every trip to Davy Jones' Locker.

Here's a different Davy Jones.