to read a more traditionalist classpect interpretation into the streets/lawnrings parallel construction, wind (read: breath) skimming the streets implies freedom of movement, wherewas blood would imply restriction; maybe the word ‘lawnring’ is used in place of ‘street’ in much the same way ‘cocoon’ replaces ‘mailbox’; because trolls don’t have streets, and the lawnrings are representative of a more oppressive culture with an interest in keeping its people where they are