Maya Beginner - IK Confusion

[Pippin]

I started reading a book called "Learning Maya 7: Foundation," and I'm up to the IK chapter.

In the this chapter, they want me to add an RPSolver Handle on the legs of the model, which worked out fine.

Though, when they wanted me to create the foot so that it would "roll from the heel to the toe," the front of the foot would actually connect it's self to the heel of the model.

Here's a video of what I did:
Video (http://video.google.com/videoplay?docid=6379658351624633998&pr=goog-sl)

Can anyone tell me what I'm doing wrong?

[pao008]

the problem is you should also create a ik to the ankle to the ball of the foot and ik from the ball to the toe, then contraint the ik to the joint controller you created(parenting also works)...also if you want to learn about indepth character rigging Digital Tutors has a good rigging style that will help you understand it well http://www.digitaltutors.com/store/product.php?productid=1292

[Pippin]

the problem is you should also create a ik to the ankle to the ball of the foot and ik from the ball to the toe, then contraint the ik to the joint controller you created(parenting also works)...also if you want to learn about indepth character rigging Digital Tutors has a good rigging style that will help you understand it well http://www.digitaltutors.com/store/product.php?productid=1292

I don't think that's how I'm suppose to create it, though.
The completed version only has one IK handle per leg.

Here's a screenshot of their version:
Screenshot (http://i33.photobucket.com/albums/d70/Razanur/IKThing.jpg)