HTC Announces Face-tracker for Vive Pro and Vive Tracker 3.0
How To Guide: Full Body Tracking on Your Quest 2 IS Possible! – VR Wave
How to Use SteamVR Tracking with HTC Vive Tracker or Controller Without a Vive Headset
SlimeVR Full-Body Tracker | Crowd Supply
Amazon.com: KIWI design Tracker Straps and Belt for Full Body Tracking VR, Compatible with Quest 2 and SteamVR, Upgraded Palm/Foot Trackerstrap Accessory Fit HTC Vive Tracker (Trackers NOT Included) : Video Games
VIVE Reveals Its First Self-Tracking VR Tracker - VRScout