Sustaining in 5S isn't hard. But there is a trick to it. You have to do 2 things well: 1) Make success something the operators can control. 2) Check it daily. But everyone fails at #1. The night-shift operator takes a tool home. By the time dayshift figures out it's gone, there's nothing to do about it, even with an audit. Here is the easy way to beat it. Before you add some tool to a 5S board, set up a shelf that has space to hold spares of everything you'll 5S. In a bucket