This ‘Fourier’ bunker is a ‘Bekleidungskammer’ (‘Dressing Room’); a very rare bunker that we rarely come across. This specific type XXL VAR has not yet been found in other defences in the Netherlands.
The bunker is a ‘Bekleidungskammer’. Soldiers could get new uniforms and equipment here and have uniforms made or repaired. The QM who was responsible for these tasks also lived in the bunker.