A great example is a 2017 challenge from the Carrot Ranch literary community. Host Charli Mills challenged writers to create a 99-word "navel story." The prompt was intentionally open-ended, encouraging stories that could include a belly button, an omphalos (a geological or cultural feature), or even "navel-gazing" which relates to meditation or excessive self-contemplation.
Like any niche interest, navel play stories face misunderstanding. Critics may dismiss them as “weird” or “infantile.” However, proponents argue that human sexuality and sensation are vast, varied, and personal. Finding pleasure in the navel is no stranger than enjoying a foot massage or a kiss on the neck. Navel Play Stories