First described in mediaeval times, snails have long been used to protect precious belongings from being stolen. Thieves would find the valuables covered in slimy mucus - hence the origin of the term 'sticky fingers'. Potential thieves would pick up the slime on their hands, leading to arrest.
The image shows a Canon lens hood being protected by a snail, for Macro Mondays theme 'Photography Gear'.
No snails were harmed in the process of making this photograph.
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