Everything has a name?(both)

Even the little plastic tube on the end of a shoelace has a name. Which is? using my etymology
From old French, "aguillette" meaning "Needle" thus "Short Needle at the end of a shoelace"
Even the holed eyelet plastic or metal surround has it's own name. Which is? using my etymology
From the "curb of a Bridle", "Ring or Wreath of Wealth"
Who comes up with all these names?