Pu-erh tea

„Depending on the desired product and speed, from quickest and tightest to slowest and loosest, pressing can be done by a large heavy stone, carved into the shape of a short cylinder with a handle, simply weighs a bag of tea down onto a wooden board. The tension from the bag and the weight of the stone together give the tea its rounded and sometimes non-uniformed edge. Due to the manual labor involved, this method of pressing is often referred to as: "hand" or "stone-pressing", and is how many artisanal pu'er bǐng are still manufactured.“

„What instead happens is that some teas require multiple tastings to reveal themselves one way or another. Sometimes the first time you brew a tea it doesn’t come out quite right not because it’s bad, but because you are still adjusting to it. It helps when you’re using the same teawares all the time, so that the only variable is the tea“