Searching and subscribing to Kbin magazines

So some people out there have clearly been successful in persuading their instance to connect to Kbin, as if I browse "All" there are some kbin.social hosted communities (or "magazines", as they call them). But I've had pretty limited success myself, at least from Jerboa.

Can anyone suggest a workflow whereby I can find and subscribe to Kbin magazines that are not already showing in "all"?