Introduction: Cheapest Wire Holder
Hold your wires with no cost. Just cut a piece of the spiral from a spiral-bound notebook -preferably plastic ones to avoid interferences-, extract it and wind around wires. No more mess!
Also, you can reuse GBC combs, old plastic hair clips or twisty ties for the same purpose, depending on strength and removable you need (thanks to skech123 and wrenv for suggestions).
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