Using tip 12, pipe a mound of icing about 1 in. across and a ½ in. high.
Using bag with tip 150, hold tip opening vertical to the flower nail, with the longer end of the tip down.
Pipe a ribbon petal going from the center of the mound out towards the edge of the mound and back, forming a tight loop.
Pipe 5 to 6 more loops.
Repeat for 2 more rows, for a total of 3 rows.
Touch tip slightly behind bottom of center petal from previous row. Angle the top of the tip slightly outward. Turn nail to form 1 in. petal. Repeat petals, starting in the middle of previous petal. Repeat around mound.