By piercing I mean to cut with the piercing saw, generally I do that then finish with the cup burr which is really quick and leaves a neat rounded claw- of course thats not much good if you don't want rounded claws though.
These are some I did with cup burrs:
These are the cup burrs:
http://www.cooksongold.com/category_...uery=cup+burrs
Lindstrom cutters used to be amazing, my friend has been using them for years in her wiring job and they stay sharp forever, rather disappointing to hear their quality has deteriorated too now as Ive had them on my wishlist ever since using hers.
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