The idea here is to boost volume by adding a lot of push-ups to the end of your chest workout. Like a whole lot of push-ups. To accomplish that, we'll add a band and use a form of Tabata training.
This is also a great method to teach proper push-up form to beginners. The band will remind them to keep their hips up and prevent sagging backs. This is a better alternative than knee push-ups which don't promote structural integrity of the glutes throughout the movement.