Some folks have been experimenting with air layering on Monsteras and large growing philodendrons. I decided to give it a go on one of my Monstera deliciosa 'small forms' before I try it on any of my variegated Monsteras.
All you do is this:
take some plant tags and a sharp knife
Make a wound in the stem between 2 nodes
Place the plant tags into the wounds so they cannot close
Then you wait. New shoots should sprout out above the cuts