Teething Cat

I have a 5 year old cat who continues to teeth. I have toys everywhere for him spread across the house. I should know I step/trip on them constantly. He chooses instead to sink his teeth into my electric cords and most often my headset cord in particular.

The headset I use every day to speak to Tamara on. Note I have replaced the damn things at least 5 times within the last 6 months. The little shit gets upset when I wont let him jump up into my lap sometimes as I sit and work at the computer. So he sneakily sits down under my chair waiting for the headset cord to swing by. To say I am more than a little pissed off would be an understatement.

Got any ideas how to break him of this lovely habit, please do share.