On the Naab, in the Teublitzer district of Münchshofen, is a former glass cutting and polishing works from the 19th century. Mirrors and window glass were produced here. The polishing tables were in use until 1953 and belong to the unique and best preserved glass polishing works in the whole of the Upper Palatinate that is still in its original location. The building was renovated in 2003, when some of the polishing technology was put back into operation and an exhibition installed.