I came across this a while back also when watching videos about the Lake District/Valley of Stone area in England. The video and accent helps alot to understand

I came across this a while back also when watching videos about the Lake District/Valley of Stone area in England. The video and accent helps alot to understand the method: https://www.youtube.com/watch?v=uZTEvdf3KP4 https://www.youtube.com/watch?v=uZTEvdf3KP4