Roller coaster track switch.
<video controls autoplay loop> <source src="https://diqn32j8nouaz.cloudfront.net/roller_coaster_track_switch.mp4" type="video/mp4"> Your browser does not support the video tag. </video>
Previously:
https://www.homemadetools.net/forum/...607#post132631
https://www.homemadetools.net/forum/...770#post140131
https://www.homemadetools.net/forum/...095#post125771
