A boot cleaning device includes a base having a bottom surface and a top surface. The invention also relates to the manufacture of an active agent, in which a food grade bacteria of the genus Lactobacillus helveticus is contacted with casein in order to perform a hydrolysis and obtain casein-derived peptides exhibiting metalloproteinases inhibitory property. A resource manager coordinator for coordinating commit-backout activities of the at least one resource manager is provided.