@thevespabandit wrote " but haven't seen photographic evidence of them being used."
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FYI NASA astronauts wore these in the 1960s & early 1970s, as a daily wearer and during training.
Moreover steel mesh JB Champion bracelets were worn during several spaceflights...
Mercury 9 (1963), Gemini III (1965), Apollo 10 (1969), Apollo 17 (1972) ... to name a few.
Click to expand...