Check the listing for details. SmallRig Thumb Grip for Ricoh GR IV Camera, Black. Condition: New. Listed at 14.99 USD. SmallRig Thumb Grip for Ricoh GR IV (Black) 5688 is an accessory designed to improve handling comfort and shooting efficiency for the Ricoh GR IV. It attaches directly to the camera's hot shoe for quick and easy installation.The thumb rest is textured to provide a secure and comfortable one-handed grip. The black finish blends seamlessly with the camera body, while the integrated silicone pads protect both the hot shoe contacts and the camera body from wear.Precisely engineered, the grip does not interfere with the front status lamp, ADJ. Lever, or mode dial, allowing all camera functions to operate normally.Designer: GALEEssential Grip UpgradeErgonomic, curved design cradles your thumb for a more stable & comfortable grip. Anti-slip texture & unobstructed button access.