The Female Cut       

 Finished female cut

      The Male Cut 

    Finished male cut

 Mark the log 10" & 14" from the
end & cut out 4" 1 3/4" deep.

 
    Mark the end of the log 4" from
    the flat portion and cut it 1 1/2" deep

 Use a hammer to knock out the slices
in the 4" wide area and use a chisel
or saw to remove the excess
wood from the notch.

 
   Have a person hold a 2x4 against the end
   of the log and cut along the circumference
   of the round part of the log 1.5" deep. Then
   knock off the piece to complete the cut.