If you're entering an ugly Christmas jumper competition at work or with family, you're almost a guaranteed winner with the incredible DigitalDudz cracking fireplace jumper. Not only does this knitted jumper feature some fantastically fugly patterns, but it can also utilise your mobile phone to animate the crackling fireplace - now that's a game changer. 

To activate the animated fireplace, just download the free DigitalDudz app from your app store and load it up, the place your phone into the special pouch within the jumper.