Pretty any high speed abrasive cut off wheel would work. A dremel should work fine, just try to keep the end of the cut as square as possible. If you want to make sure, G5 makes a tool called the A.S.D (arrow squaring device) that work great for that purpose. I think it's about $30, definitely cheaper than a trip to Saskatoon!!!
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If the basic criteria for a vampire is a living entity that sucks the life out of you in order to sustain itself, then I know a few. They tend to hide out in Washington, DC.
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