2 ms·

https://youtu.be/IExXIegZhsM?t=513 https://youtu.be/IExXIegZhsM?t=513 There is a longer video about the device, but the linked video should start at the "good

https://youtu.be/IExXIegZhsM?t=513 https://youtu.be/IExXIegZhsM?t=513 There is a longer video about the device, but the linked video should start at the "good bits"