This article describes the fastest method. Go to link #2 in the Sources and Citations section at the end of the article. There is a photo panel on that page that shows all the steps together, and this may be easier to follow.
Start practicing with a fast bowler, and it will help you to become comfortable with the bowling speed. Or keep your head steady and keep watching the ball from the...
You could try tying the ribbon into a little bow and gluing it on. Or, you could wrap it around one corner of the envelope to create stripes and glue...
Your best bet is to try the different methods and see which works best for you. Rose hip can be sensitive to degradation, so try using a gentler method, like...
Start with a circle of foam. Cut into the outer edge (widest) and spiral a wave pattern (petal) into the center (narrowest). Wrap the spiral from the narrowest (rose center)...