A paper is accepted in proceedings of the 34th Annual ACM Symposium on User Interface Software and Technology (UIST 2021). This paper was presented at UIST 2021 in October.

• Isamu Endo, Kazuki Takashima, Maakito Inoue, Kazuyuki Fujita, Kiyoshi Kiyokawa, and Yoshifumi Kitamura. ModularHMD: A Reconfigurable Mobile Head-Mounted Display Enabling Ad-hoc Peripheral Interactions with the Real World, Proc. of the 2021 ACM Symposium on User Interface Software and Technology