There are a handful of accessories who have awkward equip slots, most recently notable are the rose accessories which occupy the same spot on a helmet as a flower would despite one being helmet top and the other being helmet side. This causes issues since I would love to put a rose on a winged helm, yet I can't because winged helms don't have helmet side slots despite it not having any more clipping issues than a flower would.

As such, I would prompt for accessories that are confusing like this to have "multiple slots" that they can take up. Roses are designed for the chapeaus, so they need to be a helmet side. But what if they had the option of being either helmet side, or helmet top? This would allow non-issue accessories to take up their proper slot while still being able to work on costumes with limited options.

Here how I would sort multi-slot accessories:

Helmet Accessories

Helmet Side/Top:
- Rose
- Clover
- Flower
- Headband
- Vertical Vents
- Extra Vertical Vents
- Bent Vertical Vents
- Golden Laurel
- Spiralhorns

Helmet Front/Top:
- Bolted Vee
- Game Face
- Maedate
- Wide Vee
- Eye of Fury
- Dazzling Gem
- Seraph'tenna
- Headlamp
- Stagger Star
- Raider Helm Crest

Helmet Back/Top:
- Ribbon

Helmet Back/Front:
- Scarf

Helmet Back/Side:
- Node Receiver
- Sensor Unit
- Voltaic Headset

Helmet Side/Front:
- Wolver Chops

Armor Accessories

Armor Back/Rear
- Side Blade

Armor Front/Rear
- Parrying Blade
- Tome of Rage
- Shackles
- Slippers

Armor Aura/Rear
- Soaked Aura

Armor Aura/Front
- Gem Auras (Emerald, diamond, etc)
- Grasping Aura
- Leafy Auras (Green leafy, fall leafy, etc)
- Lucky Aura

Armor Aura/Back
- Rainbow Aura

Armor Back/Front
- Node Container
- Sealed Pauldrons
- Floating Gems

- - - - - - - - - -

Any items I didn't list I wouldn't personally add multiple slots to, or I completely forgot about since they weren't on the wiki or in my face. In the case of auras, they may remain unique, however most armor sets have aura slots and the ones that don't really don't have a reason not to so this can aid with that.

NOTE: recovery tickets for multi-slot accessories would only be usable for the more expensive option. A helmet side/top accessory would cost 5000 energy to unbind despite potentially equipping it to a helmet side slot.

TL;DR - make certain accessories equipable in multiple accessory slots where it is appropriate.