I used this strap for several months while waiting for the Nick Mankey to arrive.

Don't get me wrong, it's not in the same league as Mankey's, but for only $10, it's gets the job done (and then some).

https://www.amazon.com/gp/product/B08H5KMM1D/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&th=1