But, the concept certainly did not originate with the cute name, like Fanny Pack. I know they go back, at least to the 1940's, as I came across crochet patterns for two variations in the 1947 issue of Crochet Annual.
This is referred to as a Purse Belt and attached to the waist with a button. This design is adorned with beads all the way around the purse section.
Whereas this one is a Pocket Belt. It also attaches to the waist with a button.
Neither of the patterns call for lining, but I'd think that would be a good addition. I'd also venture that these designs of the past were primarily worn by women. (I know I'd never get on on my husband!).
Do they still have possibilities in current time .... although not quite Fanny Pack. Made up in colorful yarns, I'd think perhaps. If you'd like to experiment, I've listed the pattern (for both) in my shop.
Thanks for dropping by.