I top them and take the colas and put them into a twister trimmer.
Quality is every bit as good as hand. Les damage, no coconut water drama queens.
Then I clean it up later on.
For you get good air flow. don't put in a closed area. Dehumidifier good.
I hang colas only with fan leaf. No huge trees to much water.
Lots of fans,
If you have a machine,