When I saw these changes, I began to do more foam rolling with the intention of relieving pain in different areas and gradually I was able to move completely pain - free. (ashotofadrenaline.net)
For example the ability to create lots of foam and control its stability is important because people associate more foam with more cleaning power. (scientificamerican.com)
Although this is not necessarily true, a shampoo sells better if it makes more foam. (scientificamerican.com)