Out skiing with your kids but realise they're too tired to carry on? Then you'll need the Snowmule backpack. It will transform you into a human sled dog!

Available in 15 and 25 liter capacities, the Snowmule packs can carry a set of skis and a set of poles and at the bottom, are a set of stashable tow ropes with handles that can pull a couple of 100 pound passengers behind you.

[Snowmule via GearJunkie]