They are likely part of the old closed merch/amazon pay beta(s) that seem to have existed at one point.
Since DBH/Teespring also have this permission. or they have some other agreement with Twitch
They are likely part of the old closed merch/amazon pay beta(s) that seem to have existed at one point.
Since DBH/Teespring also have this permission. or they have some other agreement with Twitch