But in the past couple of years, low-cost storage has been made available to the general public, such as space for 50 bottles at nine euros per month. In such cases, a collective cellar is used, but tight security measures still apply. Of 10 employees in the Montquartiers company, only two have a key."To avoid the slightest temptation, corkscrews are banned," Amiach said, smiling.