When glottal stop is used?

A glottal stop is used in various languages and dialects, often as a way to replace or interrupt sounds, particularly in the middle of Words or between syllables. In English, it commonly occurs in certain accents, such as Cockney or Estuary English, where it can replace the "t" sound in Words like "butter" or "football." Additionally, glottal stops can mark the end of a syllable or Word, serving as a phonetic feature in languages like Arabic and Hawaiian. Overall, it plays a significant role in speech patterns and pronunciation variations.