Yarn ball winder - GIF

Yarn ball winder.

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Previously:

https://www.homemadetools.net/forum/...203#post153874
https://www.homemadetools.net/forum/...318#post196283
https://www.homemadetools.net/forum/...346#post192507
https://www.homemadetools.net/forum/...866#post163969
https://www.homemadetools.net/forum/...292#post116250

What is the purpose of converting from a skein to a ball? My wife would know but she isn't here.

When you get about halfway through a skein it gets floppy and tangly. It's a first world problem, and this is a nice solution. I should 3d print one of these; I wonder if there is a model on thingiverse.