You should remove the Vive Deluxe Audio Strap cushion to clean it.
Adapter for Installing The HTC Vive Deluxe Audio Strap on Oculus Quest 2 Gen/Adapters for Oculus Quest 2 Gen Replacement Strap-White Color (Designed for Quest 2 Gen) : : Video Games
Caring for your VIVE
: Video Games
HTC Vive Deluxe Audio Strap
Buy Leather Sponge Cushion Replacement Compatible for HTC Vive, Pro VR Audio Strap, Washable Flexible Easy Installation at Aliexpress for . Find more
Leather Sponge Cushion Replacement Compatible for HTC Vive, Pro VR Audio Strap, Washable Flexible Easy Installation
Quest Vive Adapter
HTC Viveデラックスオーディオストラップ
Deluxe Audio Strap Adapter Kit for Oculus Quest – Glistco
HTC Vive Deluxe Audio Strap Review
HTC VIVE デラックス オーディオストラップ - PCゲーム
Joined the Deluxe Audio Strap club : r/OculusQuest
HTC Vive Deluxe Audio Strap Review
Vive Deluxe Audio Strap Review – I Can't Go Back