I've used standard pipe cleaners up until this year when I had a learning experience with them outdoors. I used a pipe cleaner to stake the base of a tomato plant and it actually started eating into the plant once the pipe cleaner started rusting. I've had zero problems with them indoors. Search garden soft ties on amazon. That or the like is what I'm going toAny specific material to use to lst, twist ties and string was what I was thinking.
I like the analogy but don't find it to hold true.They said that an old grower they knew said that they don't supercrop anymore because it is like putting a kink in a water hose. After i thought about it it makes sense.
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I wouldn't top it or anythink, looks like a good plant to just leaf tuck and keep flower sites above fan leafs, canopy should stay evenTop again and then super crop or just super crop them and after 2 weeks switch to flower.