This is brilliant. Upon reading this, I remembered that the original kanban system in the 1960s at Japanese car factories used physical tags attached to physica

This is brilliant. Upon reading this, I remembered that the original kanban system in the 1960s at Japanese car factories used physical tags attached to physical parts [1]. Low-tech with a right process around it works wonders. [1]: https://en.wikipedia.org/wiki/Kanban#Kanban_(cards) https://en.wikipedia.org/wiki/Kanban#Kanban_(cards)