Create an ikSCsolver node in addition to the default

To create additional single chain IK solvers

  1. In the Script Editor or Command Line, type the following MEL command:
    	createNode ikSCsolver;
    
  2. Press Enter in the number pad.

    A new ikSCsolvern node appears in the dependency graph.

This solver can by used by any IK handle in your scene. See Create IK handles.