Nut , the trick is to score the line first . Then you make several passes ( it goes fast ) . If you just jab it in it will wonder . Make no mistake it is a SUPERIOR way to cut fiberglass and carbon . I have a video where I'm holding a camera filming , holding a shop vac between my legs and cutting a razor fine line ..... just can't up load it from my phone . When I come down this week I'll give you a class.
Class is in session ... finally figured out to post to you tube from my phone . Cutting this while holding a phone filming . Get one a knock off or what ever they are worth every penny.
http://youtu.be/yE7ex11EVZA?t=14s
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