rabbits and wires

what do you use to protect the rabbit from the leads from tv etc, of course you don't let them go behind but just incase ?

I got some stuff from Ikea, its like a corrugated tube with a slit in it, you feed the wire through and so far they haven't managed to chew through, just wish I had put it on my electric recliner chair (twice), my phone charger and on of the wires on the Wii. *sigh* we live and learn:lol: