Mason Jar Lid Propogator
thingiverse
A remix of GBlades' design (https://www.thingiverse.com/thing:3468220) I removed the threading so this will sit on the top of any standard mason jar, as well as many others. The idea is that you can use rubber bands or threads around the pegs to hold your plant exactly where you would like it to be. In doing so, it will propagate properly.
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