Quote Originally Posted by drsch3 View Post
On Bills restoration CD he has an attachment for his Dremel that is like a tiny cup shape "drill" that fits over the peened pin and shapes it so it is rounded.

I'll have another look tonight and see if he actually mentions brands or where to get them from.
You can get a "head spinner" from Texas Knifemaker Supply, or you can buy cup burs from either Ottofrei.com or riogrande.com.