Skinning - 
The skinning component is used to optimize skinned assets by re-linking vertices to different bones.
Tip
Check out the Bone reducer article to learn more about optimizing skinned assets.
Main settings
[%] [Pixels] [#Bones] [Deviation] - (Bone reduction type)
The reduction type determines whether bone reduction shall be based on:- A percentage of the original scene's bone count
- A targeted on screen size expressed in pixels
- A fixed targeted bone count
- A deviation expressed in scene units
Max bones per vertex
Limit the number of bones connected to a vertex.Lock bone selectionset name
If set, specifies a selection set of bones that can’t be removed during the bone reduction.Remove bone selectionset name
If set, specifies a selection set of bones that are guaranteed to be removed.