church key 'beer-can opener' is obsolete

[sagehen]

Ron Butters asks:
>Why would one need an opener for a beer can? Today they are all self-opening,
>and have been for decades.
~~~~~~~~
If I must drink from a can I'd much rather it be opened by the old-style
triangular punch, which produces a reasonable facsimile of a lipped rim,
than by the self-opener that produces a round hole leaving a flange that
delivers dribbles.
A. Murie