I don’t have an HP Reverb, but I’ve done some work with the HTC Vive and Oculus Rift. I think what you’re talking about is the shimmering that is caused by the aliasing on highlights on edges. These usually appear in edges that are very shiny or have very thin quads. If MSAA is not enough to fix the issue, I think you can try increasing the roughness of the material on the object to prevent the highlights from appearing.