Rubber Gloves

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I am forever ruining a pair of washing-up gloves by spearing the left hand one with a knife or fork prong.  I usually throw the ruined one away and keep the spare, hoping that next time I will jab the right hand of the new set and end up with a pair.  But no, I've just amassed a small mountain of right handed gloves!

Then I saw my friend had turned one left glove inside-out so that it fitted the right and now had a usable pair.  Why didn't I think of that?!?