Illustration of the two options for a two process system: You can make one big Kanban or CONWIP loop, or two smaller loops with a FIFO in between. Customer is also shown. Image in Black & white. This image by me is licensed under the Creative Commons Attribution-Share Alike 4.0 International license. Please credit the image as shown below. For digital documents and web pages please do include the links as shown below. Thank you.