I have realised though that some readers (if there are any) may actually not have a clue as to what piston rings are, so here is a picture of some. These are old ones very similar to what I try and sell every day, they will never make me richer than beyond my wildest dreams but they do sort of prevent me from having to jump through hoops and say yes sir three bags full sir every day.

now you can jump through rings instead
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