I used to get them, when I had many to experiment with, to the point that on a 8 inch plant I could get the top to spin like 10 times each direction after a long warm up. I bent it into two circles and pushed them down to the soil so it was an inch high. I had the plant stand back straight up ten seconds later.

I used to peirce the stems with grow rocks to after they beefed up a bit. Just looked cool basically

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c