Originally Posted by Far-L

For the record - there are not any laws in the US that I have ever heard of that say fisting is specifically illegal... but fisting movies have been successfully prosecuted as being obscene so that is why the US porn industry voluntarily for the most part started only doing "four finger" insertion shots - fisting was on the infamous "Cambria" list as being one of the things to avoid if you wanted to play it safe and not be in that grey area that zealot prosecutors like to exploit to try obtaining obscenity convictions... of course that list also said to avoid things like interracial scenes, anal sex, and gay and or bi content as well.

We have come a long way since then but there is a common lingering popular opinion, slight misconception that it is illegal.