NEW Valve Index Knuckles VR Controllers steam VR games handle HTC Vive/Vive Pro | eBay
Amazon.com: Valve Index VR Controller Grips - Deluxe Pair - KNUCKLES DUSTER Light - Ergonomic MOD for Knuckles Virtual Reality Controller : Video Games
Homemade Knuckles-Like Controller Could Be Open-Sourced
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Valve to Launch "Knuckles" VR Controllers; Include Individual Finger Tracking | TechPowerUp