You can open beer bottles using the metal end of most car seatbelts.
or even (every serious handyman will get the creeps now):
In the workshop, one screwdriver can do more than just turn screws; it can hammer in nails, slice open packages, puncture leather, create holes for inserting molly bolts, and more.
And one I do all the time:
When washing drinking glasses by hand, create your own dishwasher by squeezing a little soap into each glass, then set each one in the sink and let a constant stream of hot water fill each glass and overflow until the water runs clear. The glasses won’t be as clean as if you had scrubbed each one, but it’s a lot easier on your hands and elbows.
Pragmatic till it bleeds.
NP: Pearl Jam—Last Kiss