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Page 2.

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There are two sections here, Locks and Inherit. We will first talk about Locks.

Locks are basically used to lock an object's Movement, Rotation or Scaling along any particular axis. We are only interested in Movement and Rotation at this time.

At the moment we have our top box selected, which is our Root object. As the Root object, we don't really want to restrict it's movement at all, so we'll leave it as it is.

In order to create the impression that our hierarchy is actually one jointed object, we need to make sure that the various sections do not become separated. In order to do this, we can lock all movement of all child objects, allowing only rotation.

• Select your middle box
• Activate the locks for movement on all axis:

• Do the same for the bottom box.

• It is now impossible to accidentally break apart our linked structure.

You could also add some locks to the rotational axis to limit the amount of freedom of movement each object has.