I suppose using strip connectors onto the plug pins is at least a step up from just wrapping the conductors and taping them on!
Jamming bare wires into the holes with the plug of another appliance was a favorite trick here, along with the matchstick trick, as demonstrated here:
http://www.tv-ark.org.uk/pifs/pifs_a-f/electricityhazards1970.rm (Real Video 10, 962KB)
