Christmas tree shaking machine - GIF

Christmas tree shaking machine.

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Previously:

https://www.homemadetools.net/forum/...655#post147663
https://www.homemadetools.net/forum/...667#post123584
https://www.homemadetools.net/forum/...712#post123841
https://www.homemadetools.net/forum/...422#post122214
https://www.homemadetools.net/forum/...172#post103472

Why? what is the purpose of doing this? is it to give bugs in the tree a headache so they feel unwelcome? shake out dead branches/ twigs? some other reason?

thanks,
Des (land of plastic trees)

Probably gets the loose needles out before the customer takes it home.

All of the above as most Xmas trees are full of bugs and loose needles that make a mess in your car and home.