 -click
                  the IK handle and select Disable ikHandle from
                  the marking menu that appears.
-click
                  the IK handle and select Disable ikHandle from
                  the marking menu that appears.
               The selected IK handle is now disabled. When an IK handle is disabled, it no longer drives its target joints and it can not be edited.
 -click
                  the IK handle and select Enable ikHandle from
                  the marking menu that appears.
-click
                  the IK handle and select Enable ikHandle from
                  the marking menu that appears.