Swimming training flume.
<video controls autoplay loop> <source src="https://diqn32j8nouaz.cloudfront.net/swimmer_flume_channel.mp4" type="video/mp4"> Your browser does not support the video tag. </video>
Previously:
https://www.homemadetools.net/forum/...395#post208578
https://www.homemadetools.net/forum/...517#post193087
https://www.homemadetools.net/forum/...719#post139950
https://www.homemadetools.net/forum/...3683#post99771
