Here's a quick deploy 80" cord FOB on one of my fixed blade hunters, made with trilobite weave.
It's a simple weave of single cord on a 4-core.
To deploy, undo the tag end at the arrow, then pull out the stopper knot on the far end.
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The rest is TMI, unless you're interested in this stuff:
initial layout:
started plus three weaves:
nearly done:
last step, locking line that is then tucked back in, see arrow on first pic.
finished by pulling the stopper knot to tighten up that inner loop, then shortened/re-tied the stopper knot.