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Product Description
This is a fidget/skill toy used to roll across your knuckles. This version has slightly flared ends. The premium strong and flexible plastic is recommended, due to the quality of the plastic. There are plenty of tutorials on YouTube, including these:
https://www.youtube.com/watch?v=ey_FQ3gLzp0&list=PLcH_xQ-Htxrft88QwcF-52rONg11JerWu
https://www.youtube.com/watch?v=hkgnzedE7CQ&list=PLdwG5NWR0r6FSOjbvMUtHBjUGgow2RSPN
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