Although not liturgically mandated, the ostentatious microarchitectural font cover became one of the most significant ecclesiastical furnishings of the later Middle Ages. In fact, as a church fixture it survived well into the seventeenth century, not only in Catholic but also in Protestant regions, even though its eye-catching forms represented an obvious target for radical reformers and iconoclasts. Despite their enduring presence and their obvious importance to the communities that erected them, font covers remain little researched and understood. Revolving around a discussion of their intensely visual nature, this article is an attempt at a first outline of a history of this fascinating genre of church furnishing.