▁ ▁Con ne ctions ▁to ▁other ▁fet ishes ▁N avel ▁fet ish ism ▁often ▁co - exists ▁with ▁st om ach ▁fet ish ism ▁or ▁al vin ol ag nia . ▁ ▁N avel ▁fet ish ism ▁may ▁co - exist ▁with ▁sad omas och ism ▁since ▁some ▁nav el ▁fet ish ists ▁prefer ▁to ▁perform ▁or ▁receive ▁nav el ▁tort ure . ▁Some ▁prefer ▁to ▁eng age ▁in ▁physical ▁inter course , ▁which ▁is ▁commonly ▁linked ▁to ▁weight - related ▁st om ach ▁fet ishes ▁like ▁BB W , ▁fe eder ism , ▁and ▁bel ly ▁expansion . ▁ ▁Pre val ence ▁on ▁the ▁Internet ▁ ▁During ▁the ▁late ▁n inet ies , ▁there ▁was ▁a ▁small ▁but ▁th riv ing ▁online ▁group ▁of ▁bel ly ▁button ▁fet ish ▁sites . ▁These ▁sites ▁were ▁maintained ▁by ▁individuals ▁and ▁usually ▁hosted ▁on ▁third - party ▁forum ▁sites ▁like ▁Pro Bo ards ▁or ▁Inside The Web . ▁Each ▁forum ▁c ater ed ▁to ▁a ▁unique ▁variation ▁on ▁the ▁fet ish , ▁but ▁were ▁mostly ▁the ▁same ▁in ▁that ▁they ▁had ▁individual ▁bo ards ▁for ▁celebr ity ▁photos , ▁cand ids , ▁er ot ica , ▁and ▁personal ▁stories . ▁As ▁the ▁internet ▁out g rew ▁for ums ▁in ▁favor ▁of ▁social ▁networks ▁and ▁corpor ate ▁por n ▁sites , ▁these ▁sites ▁began ▁shut ting ▁down ▁one ▁by ▁one . ▁Sub sequently , ▁the ▁site ▁The ▁Original ▁Bel ly button ▁Forum ▁( OB F ) ▁became ▁popular ▁but ▁got ▁shut ▁down ▁due ▁to ▁admin -