Meet The Baker (He's a hack): Three Berry Pie

From a channel Lumen includes in full: Meet The Gaffer is a numbered series in which working film gaffers teach lighting (fixtures, set-ups, grip practice and lighting history), often comparing methods with other gaffers on real sets.

A 4-minute video from Meet The Gaffer's catalogue; the title names its topic.

Video by Meet The Gaffer, played through YouTube's embedded player.