Not that I’ve ever seen. You could modify one of your owb holsters by mounting two Uniclips to it https://www.amazon.com/gp/aw/d/B07GCSCTKY?psc=1&ref=ppx_pop_mob_b_asin_title
But without a belt it might be tough to draw against the holster retention
But without a belt it might be tough to draw against the holster retention