・Please fill in the form in this page : https://www.bhaptics.com/submit
It's currently for developer's kit, but normal user can also buy it.
・The link will be sent to you from bHaptics. Please order from that site.
・It will take about a week until it's sent to you.
※In the "Usage" at the buttom of form, please put "Tsun-Tsun VR" in the form.
※This way to buy TACTOT written here is at the point of 10th Aug, so it might change.
How to buy "bHaptics TACTOT"(At the point of 10th Aug)
Source: Steam Community (opens in a new tab)