Why Is There a Bulge on My Pint Glass?

It's probably a nonic pint glass. Each nonic (or "no nick") glass has a carefully placed bump that makes them easy to hold and stack.

Kiss My Glass Spirited Table®

From Grain to Glass, Your Beer's Not Done Until You Serve It Properly

The nonic glass is most typically found at an English pub. This imperial pint glass has a bulge about three-quarters towards the top that keeps the

Arc Nonic Beer Glass 16 oz. (#30-5025)

Beer Glassware: Does it Really Matter?

The Real Reasons Beer, Wine, and Cocktails are Served in So Many Different Types of Glasses: A Visual Explanation

Beer Glasses

This half pint, British pub-style imperial pint glass, is stackable, built for durability, and etched with the official crown seal of England.

Authentic British Imperial Half Pint Nonic Beer Glass with Etched Crown Seal - 10 oz

Enhance Your Beer Drinking Experience with the Right Glass

20 oz Imperial Nonic Pint Glass - 3 1/2 x 3 1/2 x 6 - 12 count box - Restaurantware

BarConic® Beer Sampler Glass - English Pub - 8 Oz – Bar Supplies

The return of the dimpled pint glass - BBC News

Set of 4 Nonic 1/2 Pint Glass - Government Stamped - Clear - Bed Bath & Beyond - 20062287

A Glass For Every Beer - Part II - Crafty Beer Girls

The Truly Phenomenal World of Beer Glassware — Cycling Certified Cicerone®