I.D wrote:It doesnt really make a difference with the cans here in the Uk.
That depends on what coin you're using. A 20p will work with just about any can, but it's not that effective 'cos it can fall back through the opening of the can quite easily, as it's fairly small. A 10p is much more effective 'cos when the ringpull is opened and then flattened back down, it's much more difficult to get back out of the can than the 20p.
However some cans will not accomodate the 10p (I remember trying this last Christmas and I had problems with one particular can - I may be wrong but I think it was Heineken

). What's more important to note is not what can you're using, but what can/coin combo you're going to use
