Super Duper Easy PERFECT POSY Perfecy Posy Pattern This posy is perfect to add to a hat by attaching it with a big button or you can use a smaller button and make interchangeable flowers for your hat. You could also do a 2 toned flower by simply adding a different color in the sc of the back and following the directions for the back portion of the flower. Use a small hook and thin yarn to make a little posy or BIG hook and yarn for a big, fluffy poofy posy! Enjoy the pattern!!!