3D printed clips that would assist with this main-line process.
I found some that you could look at while designing your own!
https://cults3d.com/en/3d-model/tool/cannabis-training-clips-lst-set
https://www.thingiverse.com/thing:4441651
https://cults3d.com/en/3d-model/home/u-shaped-lst-plant-training-clip
https://www.thcfarmer.com/threads/anyone-ever-used-these-lst-training-clips.123837/
Please update on any developments you create!
RE: Planting Cannabis Seeds