25/09/2013 06:25 BST | Updated 25/09/2013 06:28 BST

iPhone 5s Fingerprint Scanner Works With Nipples And Even A Cat's Paw

It was inevitable really.

Some curious iPhone 5s users have been experimenting with the capabilities of the new devices innovative fingerprint scanner.

This chap above did the decent thing and tested his nipple - which are just as unique as fingerprints but possibly more prone to temperature variations.

As if that wasn't impressive enough the video below shows they even recognise a cat's paw.