Clac! it has to allow to discuss common problems, but also to explore common opportunities. The dynamism of a cluster depends to a great extent on the promotion of the dynamic cooperation - competition. These can coexist because they take place between different companies and in different dimensions. This way, the small-scale enterprises can combine the advantages of a limited scale (flexibility, speed of reaction ‚) with the advantages derived from a major size thanks to the joint action with other companies. Given the small size of the From Leon companies of footwear, the cooperation is almost the only route to progress in the pronounced strategic axes and to make use of the business opportunities. The collaboration has to serve to come where an alone company does not come.On the other hand, a sustainable development also bears to achieve a managerial environment favorable to the performance of the companies, since these do not operate lonely, but they interact in his daily chore with hundreds of diverse agents: providers, centers of formation, financial institutions, technological centers, institutions ‚ In CLAC! He has to encourage also the collaboration of the companies with agents of the environment. The number, quality and fortitude of these ties is key for the future sostenibilidad of the sector of the footwear, and they must support the operative one of the companies.