Where can I look for the gear Renee Olstead uses?

Find and submit the microphones, and other instruments used by Renee Olstead.

If the artist is active on social media, check places like their Instagram feed and look for musical equipment they can be seen using.

You should also do a Google image search for things like "Renee Olstead studio" and "Renee Olstead live" and spot gear that way.