public void setIKThreshold(float IKThreshold) {
        this.IKThreshold = IKThreshold;
    }
Alter the distance threshold for inverse kinematics.

@param IKThreshold the desired distance threshold (default=0.1)
jme3-jbullet/src/main/java/com/jme3/bullet/control/KinematicRagdollControl.java