Rosie Henderson kneels and cites Clameur de Haro to stop narrowing of road

[davidb]

https://www.theguardian.com/uk-news/2018/aug/14/guernsey-resident-halts-road-works-with-ancient-plea

Rosie Henderson, from Guernsey, raised the clameur by kneeling and calling for help and reciting the Lord's Prayer in Norman French. Fully enforceable in Guernsey and Jersey law, it means the construction work in St Peter Port must stop until a court decides the case.

[Justin Swanton]

Giles would have loved it.

[Jim Webster]

It does seem to be used comparatively often,
I think it's a nice idea