plant *oneself down / sit down

remain seated / plant *oneself down / sit down / keep *one's seat

plant *oneself down / sit down

plant *oneself down / sit down

stage a sit-in / have a sit-in

go on a sit-down / stage a sit-down / use sit-down tactics

stage a sit-down / go on a sit-down / use sit-down tactics

sit down / sit in

stage a sit-down / go on a sit-down / use sit-down tactics