Where can I find Three-grain bread in Usingen?

Three-grain bread can also be found in these cities:

Bad Camberg Bad Homburg vor der Höhe Bad Nauheim Bad Vilbel Butzbach Friedberg (Hessen) Friedrichsdorf Idstein Karben Kronberg im Taunus Königstein im Taunus Langgöns Münzenberg Niederdorfelden Oberursel (Taunus) Rockenberg Rosbach vor der Höhe Weilrod

You can also find this in Usingen:

Pumpernickel Espresso Beans Whole Wheat Toast Hair Straightener Body Care Eye Care Nail Cosmetics Hair Coloring Vitamin C Biotin