[WpgBinocular]

The Mills WE Patt 1937 binocular carrying case has three metal belt hooks on the back. See attached photograph. The two lateral ones are obviously for attaching the case to the Mills waistbelt. But what is the purpose of the single belt hook on the top? You’d think it would be for attachment to a brace, but it is the same size as the ones that attach to the waistbelt, and since the braces are narrower than the waistbelt, it looks too wide to fit the brace securely. Any ideas???