Virtuix’s Omni whatchamacallit looks a little like a Star Trek transporter pad with a handrail. The rail sits up close, circling your abdomen like a belt, keeping you centered and upright as you move.

Remember the Virtuix Omni? I’ll never forget trying out an early version of the virtual reality treadmill in a hotel suite many E3s ago. The system, which features a concave platform and slippery ...