During what stage in the cleaning process is 'heel in, heel out' required for treating glass?

In the context of cleaning glassware, 'heel in, heel out' refers to a specific technique used during the rinsing stage of the cleaning process. This technique involves tilting the glassware so that the cleaning solution can effectively drain out, ensuring that any residues or contaminants are removed. The proper rinsing ensures that the glassware is clean and free from any chemicals or previous contents that could potentially affect the flavor or aroma of the beverage to be served.

The stage referred to in this question is essential for achieving the desired cleanliness of the glass by guaranteeing that it is thoroughly rinsed and prepared for use. By utilizing the 'heel in, heel out' method at this particular stage, one is ensuring that the glass is as pristine as possible, which is crucial in maintaining the quality of the beverages served.