protect a plate 6

https://record-wiki.win/index.php/Strengthening_Number_Plate_Security:_How_to_Protect_Your_Vehicle_Identity

When you're dishing up a meal for a crowd, the last thing you want is for someone to accidentally grab your plate before you've even taken a bite. Casually resting your hand on the rim or keeping it close to your chest sends a clear, polite signal that this one's taken. It's a small, natural gesture that saves you from the awkwardness of having to ask for it back.