Sacred space has always been a space of change, moulded around the practice of those who live it. This is also the case for bell towers, the most forgotten sacred space, and in particular in the area of practice of the 'Bolognese-style' ringing tradition. This paper aims to investigate how the life of these bell-ringers communities has interacted uninterruptedly throughout history with the material heritage that constitutes for them both a place of life, an instrument and an object of practice. In addition, it aims to address the challenge of protecting this intangible heritage, which substantially inhabits and needs an equally endangered material heritage.