They're all over you about it.
And while they look through your bag, don't make the mistake of trying to gesture where the clippers are.
You have to keep your hands well away from the table and verbalize the directions.
Once they're found and confiscated, the agent, not you, repacks your bag.
One guy travelling with his family objected and the armed sentry pulled him aside for an quick chat.
Nail clippers in Fort Lauderdale are an issue.
Just a head's-up.