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The most recent version of the Adipophilia flag, created by Kevin Seguin, also known as 'The Cosmopolitan'. This flag is more widely accepted by the community, as its colors encompass the many different facets of Fat Fetishism while honoring more classic fetish flag concepts. 
A variety of fat fetishism is feederism or gaining, where sexual gratification is obtained not from the fat itself but from the process of gaining, or helping others gain, body fat. Fat fetishism also incorporates stuffing and padding, whereas the focus of arousal is on the sensations and properties of a real or simulated gain.
Physical attraction of 47 male fat admirers (FA, in red) towards 10 female figures from the given BMI range, compared with a control group (CG, in blue)
A 2009 study found that heterosexual male fat admirers preferred females that were clinically overweight and rated both overweight and obese women more positively than slighter individuals. The study also found that participants reacted positively to a much wider range of figures than a control group, even rating emaciated figures higher. It concludes "these findings suggest that an explanation for fat admiration may be that FAs are rejecting sociocultural norms of attractiveness". Additionally, this movement is well known for its Internet popularity where a majority of "gainers" and fat-admirers communicate and display their progress in weight-gaining. Namely, Youtube accounts such as Gluttonous Slob, Glutton Slob, and Glutton Manners-all of which are managed by a self-proclaimed, yet unnamed, "gainer" native to Detroit, Michigan-have attracted the attention of "gaining" supporters worldwide for their video content depicting channel's apparent scantily-clad administrator consuming large amounts of food.
Giovanelli, Dina and Natalie Peluso. 2006. "Feederism: a new sexual pleasure and subculture". Pp 309–314 in The Handbook of New Sexuality Studies. Edited by Steven Seidman. Oxford, UK: Routledge.
In the RTE TV series Katherine Lynch's Wonderwoman, one of the characters had a Polish boyfriend who chose a larger woman over her and she referred to him as a feeder by saying "I'd only landed myself with a bleeding feeder."
Kathleen LeBesco. 2004. Revolting Bodies?: The Struggle to Redefine Fat Identity. Univ of Massachusetts Press. ISBN 1-55849-429-4
Don Kulick and Anne Meneley. 2005. Fat: The Anthropology of an Obsession. ISBN 1-58542-386-6