[henshinzero]

We've seen key items for Kamen Rider.

Ryuki: V-Decks (Trading cards)

Blade: Rouse Cards (Poker playing cards)
- Forms: Jack & King/Wild

Kiva: Fuestles (whistles)

Decade: Rider Cards

W/Double: Gaia Memories (USB drives)
- Forms: Half-Changes

OOO: Core/Cell Medals (medals)
- Forms: Combos
- Assists: Candroids

Fourze: Astro/Zodiarts Switches (switches)
- Forms: States
- Assists: Foodroids

Wizard: Wizard Rings (rings)
- Forms: Styles
- Assists: PlaMonsters

Gaim: Lockseeds (padlocks)
- Forms: Arms
- Padlocks based on fruits
- Assists: Flower-like vehicles

Drive: Shift Cars/Signal Bikes/Viral Cores (toy vehicles)
- Forms: Shift Types

Ghost: Eyecons (Ghost/Ganma) (eyeball-like balls/orbs/spheres - souls)
- Forms: Souls/Damashi

But after Ghost, what key items would you guys go for next?

If there was gonna be a dinosaur rider, whatever key item, I picture the forms to be "Bones".

I'll be constructing a poll with your suggestions.