The UK model is the most painful plug to stand on, due to it's propensity to lie 'prongs up' and the particular arrangement of said prongs. This is a deliberat

The UK model is the most painful plug to stand on, due to it's propensity to lie 'prongs up' and the particular arrangement of said prongs. This is a deliberate and oft misunderstood feature of this plug. In the event of an invasion standing orders are for every British citizen to cut the plugs off their appliances and scatter them in the streets as makeshift caltrops, delaying the enemy advance and crippling any soldier unfortunate enough to have removed his shoes.