Here is an electronic wrist brace that stabilizes your wrist and offers biofeedback with a microprocessor and positional sensor. It doesn’t restrict your movement and weighs only 2 ounces. Its feedback system has audio, visual, and tactile modes. It comes with a rigid insert and an adjustable Velcro straps.
Neuro Splint constantly evaluates the position of your wrist via a magnetic sensor. It gives you reminders when your wrist moves beyond your preset threshold. Not too expensive either.