Meaning of "Manner shot"

Ye-Jeol-Syat

Manner shot예절샷#SNS#덕질/팬덤#밈/유행어2010s Meme

A fandom-specific photo-taking culture where fans place a favorite celebrity’s photocard or merchandise alongside food photos to prove they’re a fan.

"After ordering dessert at the cafe, I took a manner shot and posted it on social media."