Jiggers and other Link-fasteners
See also http://www.austbuttonhistory.com/29th-may-2023/
This could be used as a “sweater guard”:
“Link fastening” coats, suits and cardigans were advertised along-side button fastening versions in the late 1920s to the early 1950s.
This “link fastening” appears to use a buckle rather than linked buttons or clasps, and may not have been very comfortable!
And for gloves:
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