Has anyone made a DIY version of this? I have an idea of how to do it but would like to see what others have done.
https://www.amazon.com/Koller-Produ...ocphy=9061200&hvtargid=pla-320046378681&psc=1
https://www.amazon.com/Koller-Produ...ocphy=9061200&hvtargid=pla-320046378681&psc=1