Here's a cockpit cam from the restored twin mustang at Oshkosh! You can see the linked throttle and control stick.
The video description:
Strap into one of the cockpits of the world's only flying Twin Mustang, the XP-82 prototype, during some evening flybys at the 2019 EAA AirVenture airshow in Oshkosh, Wisconsin. This ultra rare historical artifact just finished a lengthy restoration.