How to Choose a Coffee Machine For Pods Pod machines operate by reading the barcode that is on the top of the pod (which is actually an un-sealed disc of pre-dosed ground beans that are encased between two layers of filter paper). Simply insert it and then press the button. https://www.34630194.xyz/ja45pa-c7n-2lfg4-8lb6m41-1wzqzh-1309/