First let me apologize for the spellings.
Not having had the benefit of learning Hebrew, those are approximations, so bear with me.
Now the question, doesn’t the doohickey that the moyel uses to perform the act have a specific name?
If so, what is it, and what does it mean?
Thanx.
wouldn’t that me more like an UNdoohickey?? Sorry… forshame 
“Boy, wouldja get a load of the cloaca on that one”? -Cecil Adams, october 8 1999
I don’t know the answer but just pondering the question too long is going to keep me from being able to eat tortellini for some time.
“Knife”
I don’t know the name, but I bet Ronco makes one.
The overwhelming majority of people have more than the average (mean) number of legs. – E. Grebenik
It’s called an “izmel.”
Do not taunt Happy Fun Ball.
And don’t forget: when it comes to a circumcisions, the rabbi may get paid for the ceremony, but the mohel get all of the tips.