Okay...maybe I shouldn't feel like such an idiot.
A company called At The Front, sells gear for the reenacting market They refer to the leather strap as "US Liner Chinstrap".
Here is the item and it's details, about 3/4 of the way down on the page:
https://www.atthefrontshop.com/SearchResults.asp?searching=Y&sort=5&cat=414&show=90&page=2
A company called At The Front, sells gear for the reenacting market They refer to the leather strap as "US Liner Chinstrap".
Here is the item and it's details, about 3/4 of the way down on the page:
https://www.atthefrontshop.com/SearchResults.asp?searching=Y&sort=5&cat=414&show=90&page=2