Packed Primitives are a new form of geometry type that was introduced in Houdini 13. You can think of them as proxies. In this tutorial by Rohan Dalvi you will learn the various ways in which you can create them and use them for large scale instancing.
The second part of this Packed Primitives tutorial primarily discusses creating name attributes using the Packed Edit node and randomizing colors of packed primitives at rendertime using the Renderstate Volume Operator (VOP).
This is the second part of a two-part rigging tutorial from Character TD Marco Giordano. In this tutorial, you will learn how to extend features to your Houdini Stretch IK such as knee slide and knee lock.