Valve shows off new VR controller prototypes

Valve's Steam Dev Days conference is going on right now in Seattle, and the company is sharing details of upcoming hardware in typically low-key fashion. While there aren't any official announcements yet, attendees have been posting about new virtual reality controller prototypes that go far beyond what the current wand-style Vive solution can do.
The biggest difference is that the new controllers are able to detect when you open and close your hand, allowing you to grip and drop objects in game