A Yiddish pamphlet against circumcision from 1737

Given some of the current talk about circumcision, it is interesting to contemplate a tactic that those who oppose circumcision don't seem to be thinking much about today: persuading people not to do it, in Yiddish, and using rabbinic texts. Yet this is exactly what a convert named Fromann did in this 1737 publication by Callenberg's Halle institute for converting Jews.