I also have a metal ring. https://www.amazon.com/dp/B06XYNYCJW/ref=cm_sw_r_cp_apa_X1eOAb8X9GJCT

I have it on the otter box and love this type because even when installed on the lower thirdish of the phone I can still flip it to use as a stand. Another plus is the flat profile when not in use.