I have noticed that while bring up the console and just click anything with your mouse it reveals the ID of something. For example click on the object(e.g. your Hide Boot) and it will reveals its ID. (while it is active). Just a thought if anyone knew that(or has been since Oblivion.)
It shows the current in game reference ID, but doesn't show the base ID.
For instance, if you want to make Lydia Essential, bringing up the console and clicking on her will give her Reference ID, (000a2c94) but not her Base ID, (000a2c8e)
which is what you need to set her essential