Quicker in: less setup time, no wait for water to boil, no prep. of cooling water. This method can be accomplished in virtually no time at all.
1 - empty pop can
1 - large mass
Step 1: Position Can
Find a solid surface on which can will be crushed. It should be strong enough to support the can and the large mass used. I have chosen the kitchen floor for my surface. It provides a nice solid yet slippery surface adding just a little to the difficulty factor. If you want to be safe, pick a surface that isn't so smooth.