[Davis DeWitt] gets to do something that many of us only dream of — build cool working props for movies. This time, the director asked for a realistic smoke grenade that can roll up to a mark and stop on it every take, pouring out smoke the entire time.
This is a companion discussion topic for the original entry at https://hackaday.com/2024/03/22/r-c-smoke-grenade-rolls-with-the-changes/