* Coordinates the bachelor party
* Pays for his own wedding attire
* Makes sure the groom is on time and is dressed properly
* Holds the bride's wedding ring and makes sure the groom has the marriage license secure in his breast pocket
* Receives officiant's fee from the groom and presents it to the officiant either before or after the ceremony. The payment can be conveniently enclosed in a sealed envelope.
* Acts as legal witness and signs the marriage license
* Makes the first toast to bride and groom during the reception. A well prepared toast usually goes over better than one "off the cuff."
* Sees that the luggage is packed into the honeymoon car, and that the groom has any necessary plane tickets or travel itineraries.
* Returns the groom's formal wear on the next business day following the wedding. Some best men are asked to gather all rented formal wear to return after the wedding.