Up until the Edo period, hoiro was produced by sticking Japanese paper to a frame made with bamboo, and, therefore, it is said that it was impossible to be continuously knead through the use of strong pressure.
江戸時代までのほいろは、竹の骨組みに和紙を貼り付けたもので、耐久力の面から、その上で強い力をもって揉み通すということが不可能であったといわれる。