All you need for a nice simple project is:
Hair bow ,
a piece of mesh cloth
a multi-purpose glue,
crochet buttons ,
First cut strips of 10 cm wide and 50 cm length of your mesh cloth and sew along the desired center and then pull to needed length .
rotate the satin tape 1 cm wide around the hair piece glue edges use strong multipurpose glue or hot glue gun.
glue the mesh on the top center of the arch (or anywhere you want)
Finally decorate with buttons ribbons and butterflies .