Tegestology – The word sounds like a tongue twister. What it means is a practice of collecting beermats or coasters. For most of us, coasters are insignificant little pieces that we tuck under our glass or coffee mug, but a set of people, called tegestologists look upon these as collectable items. Coasters or beermats, as they are popularly known, first found use in the German, British, Irish and other European pubs in the late 19th century. Flipping coasters in the…