Poor families, unable to afford coffins, often wrap their deceased in straw mats or use a few pieces of wood as makeshift coffins. These are coincidentally yellow, hence the association of yellow coffins with the impoverished.,Chen Pi's two lips trembled and quivered as he spoke.,Chenpi was a few years younger than Zhuanzi, thin and timid, with no backbone. Zhuanzi led Chenpi into the pit, then spat several times into his palm. In the darkness, the two used shovels to pry open the coffin nails. It took them a lot of effort, working together before they finally managed to heave open the lid.。