Arrow Spinner
Description
I've designed an arrow spinner for checking that your arrows are straight. It's simple to use: place an arrow on the rollers and rotate the arrow by rolling with the flat of your hand. If the ends of the arrow wobbIe ... then your arrow is bent! Everything is a tight push-fit, so no glue is required. What you will also need is four skate-bearings which are cheaply found on eBay. Enjoy!
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