I did some research and found a couple of ideas on how to speed up the process of putting the holes in your lips as well as being more accurate.
Go to the following links:
No. 5 Jr. Portable hand punch(around $65.00)
http://www.mscdirect.com/PDF.process?pdf=2297&Keyword=Y
This is a punch set in which you place the metal underneath the nylon holder and put the punch in and strike it with a dead blow hammer.($106.00)
http://www.mscdirect.com/PDF.process?pdf=1795&Keyword=Y
Just a couple of ideas.
They both work well as I have seen these in use at work.
These links are from MSC Industrial Supply company.
I believe there is a store located in Pawtucket, RI or you can buy online.
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