There are plenty at current VR trade shows, it's just a very difficult thing to get right. Also each experience world be characterized by a different range of

There are plenty at current VR trade shows, it's just a very difficult thing to get right. Also each experience world be characterized by a different range of haptics, so you either have to make an impossibly complex glove for all situations, or a simpler glove that's compatible with only one game/tool. You actually see the latter in research and industry, they're just obviously expensive.