Squash & Stretch Kit

As the most important out of the 12 basic principles of animation, "squash and stretch" is a widely used technique, which is a very powerful visual effect that enhances the sense of motion. And now it's achievable by simply adding a component! (*)
(*) Depending on other scripts, a once-per-project setup step might be required.

More Info:
http://longbunnylabs.com/squash-stretch-kit

Manual:
http://longbunnylabs.com/squash-stretch-kit-manual