the.com/upholstery
the soft armor that turns a wooden frame into a throne worth fighting over
old gutsOnce stuffed with horsehair, moss, and seaweed
hidden coilsSteel springs tied by hand with eight knots
fire lawFoam flammability triggered toxic-chemical regulations for decades
the termComes from 'upholder,' a medieval seller of secondhand goods
fabric mathA sofa can devour over ten yards of cloth