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}}</ref> The Mogen clamp's name derives from the Hebrew word "magain," or shield, and it was invented in an effort to standardize [[circumcision]] equipment then in use by both doctors and mohels without medical training who perform the procedure in private homes and other locations.<ref name="hennessy-fiske2011" /> The device is designed to "shield" the glans, as the name implies, while the mohel slices off the [[foreskin]]. <ref name="kaweblum1984">{{REFjournal |last=Kaweblum |first=Yosef |author-link= |last2=Press |first2=Shirley |author2-link= |last3=Kogan |first3=Leib |author3-link= |last4= |first4= |author4-link= |last5= |first5= |author5-link= |etal=yes |title=Circumcision using the mogen clamp |trans-title= |language=English |journal=Clin Pediatr (Phila.) |location= |date=1984-12 |volume=23 |issue= |pages=679-82 |url=http://www.cirp.org/library/procedure/mogen/ |archived= |quote= |pubmedID=6499347 |pubmedCID= |DOI=10.1177/000992288402301204 |accessdate=2020-08-06}}</ref> A user must first rip the foreskin from the glans, then pull it through the clamp and slices it off with a single motion.<ref name="hennessy-fiske2011" /> Some orthodox Jews only recognize circumcisions performed with devices based on the traditional design,<ref name="hennessy-fiske2011" /> and for this reason it is preferred by traditional [[mohel]]s.<ref name="hennessy-fiske2011" />