The reason why they are referred to as mino tsuka remains unknown, but the word 'rain' in a poem considered to have been written by Basho that reads, 'When rain falling on the sea is getting me soaked, how I long for the warm body of a prostitute' suggests its association with straw raincoats.
なぜ蓑なのかは分かっていないが「海に降る　雨や恋しき　浮き身宿」という句をこの地を訪れた時に詠んだといわれていて「雨」の一文と蓑の関連が示唆される。