Haptic technology stimulates the senses of touch and motion to replicate sensations similar to that one would feel when handling objects in the real-world. In a VR environment, haptic technology provides stimulated physical feedback of virtual objects with the user receiving tactile information like force feedback and shape of objects. In simple terms, haptics allows users to touch and feel in the virtual environment.  

Follow the link to know more about haptics and its benefits in VR training: 

https://elearningdesigncenter.com/benefits-of-haptic-feedback-in-the-virtual-world/