How to Prevent your Rubik's Cube center caps from popping off

So, you're solving your Rubik's Cube, like the speedsolver you are, and all of a sudden... clink, its center cap falls off. What do you do now?

Well, this video tutorial will show you how to prevent your Rubiks Cube center caps from popping off. These DIY cubes have never been the best of quality, so what can you do when those center caps just drop? How about sticky tack?