The origins of this dancing procession are very vague, and cannot be traced with certitude.
One folk legend says that a local horse thief by the name of Veidt (spellings vary greatly) was sentenced to death, and -as is the custom- was granted one last wish before his public execution on the market square (pictured above). Feidt wanted to play his fiddle one last time, and so he began to play this tune [borrowed from www.willibrord.lu].
we discovered them on the campsite.
This snails are also served to eat. Some people find them delicious, but it is not my taste ....