Pint glass small pits which aid in nucleation, allowing the gas within it to be released more easily, thus preserving the head. Without the aid of these pits a regular pint glass will keep a head for only 3 or 4 minutes before appearing 'flat'. The markings come in a variety of styles ranging from a simple circular or square hatched pattern to more complicated branding messages. Pint glass collecting is an increasingly popular way for individuals to commemorate their visits to popular tourist destinations, most notably to microbreweries or sports arenas. These destinations often sell pint glasses adorned with their logos,
Pint glass glass holds 16 oz. to its rim. With a half inch of foam, the actual liquid fill is roughly 14 oz. Recently (as of 2008), some restaurants have replaced 16-ounce pint glasses (473 mL) with 14 ouncers (415 mL) to which customers have objected. In response to this, legislation has been introduced in the state of Michigan (known for its craft brewing culture) to require bars to serve 16-ounce pints. It is increasingly common to find pint glasses which contain markings on the base; very often these glasses are branded to one particular beer. The markings themselves are formed from