Minecraft Rig Extrusions Tutorial (Blender 4.0)

Hey guys! Decided to upload my first actual tutorial video! I noticed there aren't really that many tutorials on this topic that are up to date and quite a few of my friends needs a tutorial like this, so here you go!!!
Rig used: SQM/BPS rig, but any MC rig in Blender should work.
Chapters:
0:00 Intro
0:11 Enabling the Layers
1:20 Isolating the Mesh
2:47 Deleting Transparent Faces
3:56 Fixing UVs/Splitting Faces
4:34 Setting up the workspace
6:14 Basic explanation of UV Editing
8:18 Splitting the faces
10:22 Fixing the UVs
11:17 Extruding/Fixing Smooth Faces Issue
14:39 Disabling the Layers
14:58 Repeating the process for the arms
15:23 Faster ways to select multiple faces
16:24 Splitting faces with multiple objects
17:21 Selecting the correct shape keys
18:54 Repeating the process for the torso
19:48 Layering your layers
20:17 Repeating the process for the legs
23:47 Conclusion/Asking for help

[@Spectre9448]

You can also use alt + m to split the faces by the edges. Good tutorial btw
Also don't forget to select all the faces after extruding and merge by distance. Reduces poly count by a lot. Shortcut for that is M