AMVR VR Full Body Tracking Straps, Adjustable Tracker Straps and Belt for HTC Vive Tracker (1 Tracker Belt + 2 Palm Straps + 2 Foot Straps, Vive Tracker NOT Included)
HTC announces Vive Pro lip tracking module and new VR body trackers - The Verge
HTC Unveils VIVE Facial Tracking And Next Generation VIVE Trackers - VRScout
Amazon.com: Skywin VR Tracker Straps for HTC Vive System Tracker Puck (2 Pack) - Adjustable Straps for Hand Foot Object and Full-Body Tracking in Virtual Reality : Video Games