Tsai H, Tsai C, Liao Y, Chiang Y and Zhang Z. FingerX: Rendering Haptic Shapes of Virtual Objects Augmented by Real Objects using Extendable and Withdrawable Supports on Fingers. Proceedings of the 2022 CHI Conference on Human Factors in Computing Systems. (1-14). https://doi.org/10.1145/3491102.3517489