A simplest start to knotting is  OverHand Knot around an object as a Half Knot ABoK#47 basis for a Square Knot.  Another olde world name for the Square / originally Reef Knot is the
<p>'Hecules Knot' for it's proud service in binding, 
</p>
not the killer noted in bending/joining ropes
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<span class="int-own-work" lang="en">Own work</span>