FishYuan Plant Yoyo Grow Hanger with Stopper, Adjustable Indoor Plant Support Yo Yo (Pack of 10)
Brand: FishYuan

Length: gentle on plants and the Yo-Yo string is 60" and retractable
Package: 10pcs plant yoyos
Material: Plastic
Color: Yellow
If you are trying to train a plant to grow a certain way--you would attach one hook to the plant and another to something else (the pot, the wall, etc.)
Let the tension of the plant yoyo pull the plant a bit, then lock the tension button down so it is fixed at that length.
Then, after it get used to that position, you can click the button again, adding a bit more tension--pulling the plant a bit more, then lock it down in that position.
It makes making these little adjustments so much easier than wrapping a wire or string, then re-doing it over and over again as the plant grows.
Instructions for use
Attach the hanging hook at the top of your garden
Clip the angled hook to the plant stem or branch
Secure the string at desired length with stopper

Hang it above the plant to support the stem
Gentle on plants and the yoyo string is 60" in length
Comes with plastic stopper to secure the string at the desired length
It also perfectly meets the requirement of adjusting the hood to provide different light supply as plants grow.
To provide reliable support & befitting distance from plants with tension mechanism