Spot-raise carpet cleanser gel clings to vertical fibers on stairs

https://www.scribd.com/document/1005971143/How-to-Read-Carpet-Cleaning-Reviews-in-Las-Vegas-Like-a-Pro-225992

Spot-raise carpet cleanser gel clings to vertical fibers on stairs. Provides longer contact for cussed stains, then rinses blank devoid of sticky leftover film.