There are several things we don't do in order "to confuse the Satan", like not blowing Shofar on Erev Rosh Hashana. How does it help? Does Satan not realize that Rosh Hashana
didn't pass yet? He doesn't see our calendars?
Should the question be extended to cover the multiple blowings on RH itself as well? I feel like definitely yes for the book, but it might change the OP's intent on the site itself.
The accepted answer (+10) covers just the erev-RH confusion, while the #2 answer (+8) is more about the extra blasts on RH itself.
There are several things we don't do in order "to confuse the Satan", like not blowing Shofar on Erev Rosh Hashana. How does it help? Does Satan not realize that Rosh Hashana
didn't pass yet? He doesn't see our calendars?
