For example, when you use a cube, you can feel its edge.
CLAW- A Multifunctional Handheld Haptic Controller(Via)
But the Claw also prevents the user's fingers from forming a harder grip than a 90 °angle, and the controller can mimic the recoil force of a gun or the texture of an object by using the vibration effect.
The second prototype VR controller is called Canetroll, which aims to help the blind and visually impaired to interact with the virtual world.
Based on the standard HTC Vive motion tracker, it is also equipped with a braking system that can use a virtual object to "block" the walking stick.
The third controller is called Haptics Links.
Haptic Links Bimanual Haptics for virtual reality (Via)
Haptics Links can dynamically change the power perceived by the user's hands to support the user's hands and objects interaction experience. In addition, it can simulate the feel of the bow string when pulled back.