Few things are more difficult and frustrating in life than moving heavy furniture or appliances down a flight of stairs. Half way down you might reconsider whether having an enormous glass coffee table was ever a good idea. 

But a couple in America have devised an ingenious solution to save themselves hours of back-breaking toil - by setting up some guy-wires between the balcony railings and the garden, a simple hoosh is all the couch needs before it gracefully slides towards the grass.

While it may seem like the perfect idea to try at home, we would recommend having a good understanding of the physics involved first. No one wants their obituary to read that they accidentally crushed themselves with a dining table.