I know these are called boots I think? Lead boots perhaps. Anyways I was up on my roof yesterday and was surprised to see this. Shocked actually. I'm not sure how the
Lead boots to keep the diver head up.: fotografía de Museo Naval, Ferrol - Tripadvisor
File:English deep sea diving boot, 1925, leather, brass, and lead - Bata Shoe Museum - DSC00255.JPG - Wikimedia Commons
1592L - Chukka Boot with L3 Sole in Lead Suede – Alden Madison