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The BOLL concept is an elegant office chair caster wheel that has the lowest probability of jamming. It is all too common for the wires to get stuck into an office chair wheel. Earphones dropped onto the floor or tangling lines of computer cables left on the floor have the potential to jam a standard office chair wheel. It is far too disruptive and annoying. It may even pose a safety risk when those damages the wire. So “How can we prevent wires from being entangled in office chair wheels?” The BOLL concept has built-in bristles which prevents the thinnest wires and dust from entering into the wheel compartment.