If you look at all the studies on the subject you will see it does far more harm than good.
Circumcision can be an extremely traumatic experience. They did it to me at birth, and I couldn’t walk for a year.
If nothing else works, a total pig-headed unwillingness to look facts in the face will see you through.
http://pediatrics.aappublications.org/content/103/3/686
http://www.cirp.org/library/complications/williams-kapila/
http://www.cmaj.ca/cgi/content/abstract/131/11/1353..
http://www.ncbi.nlm.nih.gov/pubmed/1794670
http://mdm.sagepub.com/content/11/4/282