Legality
Chicago to Start Removing ‘Dibs' Objects From City Streets Tuesday
https://www.nbcchicago.com/news/local/chicago-to-start-removing-dibs-objects-from-city-streets-tuesday/2450662/NPR - Wikipedia
https://en.wikipedia.org/wiki/NPRChicago's 'Dibs' Tradition Can Get Dirty, And Even Dangerous
https://www.npr.org/local/309/2020/03/02/811209907/chicago-s-dibs-tradition-can-get-dirty-and-even-dangerousWhat to do with your car when it snows
https://www.boston.gov/departments/311/what-do-your-car-when-it-snows
Origin
Wayback Machine - Wikipedia
https://en.wikipedia.org/wiki/Wayback_MachineHomeowners Protect Parking Spots With Chairs; Can They Do This? - News Story - WPXI Pittsburgh
https://web.archive.org/web/20100212045643/http://www.wpxi.com/news/22503635/detail.html404 Error – WPXI
http://www.wpxi.com/news/22503635/detail.html