Here is a wearable e-haptic suit that makes VR fitness games more fun. The ElecSuit is a workout suit that combines with your smartphone for EMS workout sessions. It guides you through workouts by sending electrical pulses to the right muscles.
This haptic suit can also make your VR games more immersive. It works with various VR platforms, including Steam VR, Oculus, and Vive. You can use it standalone without VR though. The companion app lets you perform cardio and weight training.