Get the Kinematic Tool with this link:
https://slephy.gumroad.com/l/kinematic_tool
This video was created using Kinematic Tool v2.0.3 inside Blender v4.2.1
== CHAPTERS ==
The Why:
00:00 - Introducing the features
The How:
02:21 - Installation & Menus
03:02 - IK Ranges
08:09 - Pivoting
12:56 - Chain Visibility
13:43 - Follow Rotation
14:32 - Motion Paths
15:19 - Automatic Features
16:59 - Pre-Rigged Models
17:41 - Rigging