Sarah Darbyshire and her dog, Mr Bean, experienced a frightening encounter with quicksand on Glenelg North beach in South Australia, leading the Holdfast Bay council to erect warning signs. Initially amused by sinking into the liquefied sand, Darbyshire soon realized the danger as pulling one leg only caused her to sink deeper. Another woman, Madz June, required assistance from four police officers and five firefighters to be rescued from the same hazardous spot after her leg became trapped, describing the sensation as her legs being "vacuum sealed." Experts explain that quicksand forms a dense slurry that grips legs, with the primary danger being entrapment as the tide rises, rather than being fully submerged.