Here is the tutorial for how to add rivets to a finished or partially-finished garment. I prefer to add rivets to a partially finished item. If I make a mistake, I have a lot less work to do to remake the item. Just make sure that you don't put rivets where you will be sewing the final seams.
http://www.sewingmamas.com/b/downloa...do=file&id=596
http://farm7.static.flickr.com/6029/...8df46b27a5.jpg
