Panic sets in. That training a few weeks ago? Forgotten. You're hard up for how to do that thing.
Towards the end of a training class on something is a Swap Meet Performance Support activity. Learners brainstorm a list of problems they foresee having later doing their job (Things That Suck part). They ideate and discuss strategies for dealing with them (performance support part).
Maybe they use TouchCast to produce video clips for getting past the issue to access at the moment of need. Maybe job-aids are the outcome. This swap meet activity, peers exchanging ideas, encourages ownership and a community of practice is born.
Anyway, something to try.