it's ten past eight at night and the studio manager is still in. the studio is quiet. everyone else went just after six, and even the kettle has given up. she is not making anything. she is checking someone else's files. two weeks out from live, the head of production added a freelancer. it was the sensible call. the item list was long, the days were short, and one more pair of hands should have taken some of the weight. the freelancer is good. they turn work round fast. and every file they turn round lands on her screen before it goes anywhere, because nobody has worked with them before, and nobody can yet tell whether they might cut a corner. that's not a comment on them. it's just what happens when you haven't met. so she opens each one. she looks at the bleed and the substrate. she looks at the version number and asks whether this is the one the client signed off or the one before it. she finds two small things, the kind anyone could miss on a long day, and both would have been expensive on site. she doesn't resent the work. she resents that none of it was in the plan. the headcount went up by one and her evenings went down by three hours. the person who made the call sees a bigger team and a deadline that hasn't moved. the person who pays for it sees a bigger pile. there is no line on the plan for the studio manager's evenings. there should be. nobody sat down and counted the checking, because the people who add the help are not the people who check it. safe additional capacity is capacity you don't have to check. when a studio brings in an extra freelancer who needs briefing and watching, the making gets faster and the checking gets longer, and the checking falls on the studio manager. the work looks quicker and the studio is slower, because that cost was never planned or counted. extra capacity is only safe when the person arriving checks their own work, reads the approved decks and the media matrix before touching a file, and says what they weren't sure of. until then, every new arrival brings a pile of files that someone else has to verify. studios feel it as tiredness in the evening, not as a number on a plan, which is why it keeps happening. what she needed wasn't more speed. it was help she didn't have to check. that's the standard we hold our folc. to. they read the matrix before they open a file. every job goes back with a short note on top: what they checked, what they assumed, and the one thing worth a second look. run that fortnight again with one of ours instead, and she reads the note, trusts the file and is home just after six, which in this business counts as a lie-in. folc. law 009: help you have to check is still help. it's just less help than it looks.