Here is a goal: To open a can of evaporated milk,

Which way makes more sense to accomplish this goal?

Pick your answer from:
[a]. if there is no handle to pull, place the lip of the can inside the two edges of a can opener, then twist the handle until the entire edge has been cut.;
[b]. if there is no handle to pull, bang the can of evaporated milk against the sink edge until the can breaks and the evaporated milk spills out of it.;
[a].