I am looking for more information on these hubs. Anyone recognize them?

Austin Smith posted this unusual hub to G503 Facebook. He theorizes they may be a freewheeling hub of some kind, as he can find no way to spin the hubs nor, after disassembling it, did he find any internals to do so.

This is installed on an Australian jeep. The hubs look similar to a Selectro type, but these have only three nodules around the outside:
Roger Martin spotted this odd hub on Rick Reilly’s Commando in 2019. This might be a free-wheeling hub: