It is said in Matsu that eating jiguang cakes will keep you from getting seasick, so everyone always buys some before boarding a ferry bound for Taiwan. Kao Ming-chung laughs when asked about this custom and says that people exaggerate.
馬祖人盛傳吃繼光餅可以防暈船，上「台馬輪」前總要買上幾個在船上吃。