I Uploaded a Sample Armature That is Made to Work with Unity's

Steam Community :: Guide :: How to create a Toggle [Avatar 3.0]

Steam Community :: Guide :: How to create a Toggle [Avatar 3.0]

KEYTROL K4 Siren Controller Render - Fully designed by me, will be produced into an actual unit : r/AirRaidSirens

Basic Robot Model with Mixamo Armature - Henry Egloff

How to Replace Unity's 3rd Person Armature, by Jared Amlin, Nerd For Tech

Unity - Manual: Humanoid Avatars

Using DragonBones in Unity – Rakesh's Blog

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Humanoid Avatars - Unity Official Tutorials