EarIy Mourning
Is there any way to remove head decorations/hats from items?
Bewere era cutters rely on the items being designed for specific modifications to occur so it really depends on if the item itself was designed for cutter interactions. Of Bewere era cutters the Bewere/Your Angel/Cheshire/The Surgeon (Surgical Sicssors)/Niwamori (Pruning Pinchers) would be the most likely to try with headworn items, of non Bewere era cutters the main one to try would be Princess Less Than Three misplaced clips.
It's possible that some items have parts that can be removed via glitches, but it's really on a case by case basis. In the spoiler are 3 types of items I often use when checking for head-based glitches, however most often if there is an effect it's a full removal rather than partial: