A picture of my arm with a red spot on it with the exact outlines of the alarm wristband right next to it. The wristband was worn so tightly that it left a deep mark in the arm. The wristband itself looks like a wearable watch, but with no clock to look at but an alarm
https://media.mastodon.de/media_attachments/files/113/101/387/975/940/892/original/6d4c679dd492be59.jpg