It's probably making a fast coughing bark type sound while it runs

My crypts have enlarged over time due to stones growing and shifting and shedding. Manual removal can definitely contribute to that, and the shape of the tissues might therefore lend to slimmer appearance of the organs

Europe and especially the UK seem to have a lot of specific stones or bricks with long and storied histories. If Sir Saint Turbilops' Parapet Keystone gets visits still because it used to be his toilet seat on campaigns, of course we should find out more about this glass