To make embellishments with any of these items, all you need is a die, die-cut machine, or scissors. Run the media through your die cut machine and you're set. Or, if you are feeling like something a bit more unique, freehand a design and cut it out!
Now, to keep things clean and simple, use these embellishments as the focal points on your card. After all that work to make something cool and unique for your card, show it off!