Customers had a lot of fun commenting on this item for sale

We’re sure this is a well-designed piece of kit, but they must have been having a laugh when they made it.

No, it’s not what you think. It’s actually for cleaning bike chains and flywheels, whatever they are.

All you have to do is, er, "just hold the handle, and move the cleaner back and forth", according to Groupon

The Facebook commenters certainly saw the potential for double entendre and, in fairness, Groupon weren’t shy about joining in.

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