03 October 2008
This works every time. First of all you need to screw the thumb screw in as far as it will go so that the maximum amount of it comes through to the opposite side. position the unopened can end near the hnge so that the thumb screw point pierces the can (And weakens it) and then stand on it as shown. Even my wife who is 4.10 and the weight of a paperweight can use it.