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Amazon.com: YF Butterfly Training Knife Practice Knife Trainer Dull Butterfly Trainer Comb Matte Black Finished Stainless Steel Flick for Easy Safety Folding Flip for Sport Hiking Outdoor Indoor 8.9-Inch Overall: Kitchen &
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Buying Your First Butterfly Knife: The Best Beginner Balisongs and Trainers at KnifeCenter.com - YouTube
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My 13 year old son wants to buy a butterfly practice/training knife. What are some good reasons not to allow him to get one? I've checked, and these knives are legal in
![Amazon.com: YF Butterfly Training Knife Practice Knife Trainer Dull Butterfly Trainer Comb Matte Black Finished Stainless Steel Flick for Easy Safety Folding Flip for Sport Hiking Outdoor Indoor 8.9-Inch Overall: Kitchen & Amazon.com: YF Butterfly Training Knife Practice Knife Trainer Dull Butterfly Trainer Comb Matte Black Finished Stainless Steel Flick for Easy Safety Folding Flip for Sport Hiking Outdoor Indoor 8.9-Inch Overall: Kitchen &](https://images-na.ssl-images-amazon.com/images/I/61TO-CO49jL._AC_SX466_.jpg)
Amazon.com: YF Butterfly Training Knife Practice Knife Trainer Dull Butterfly Trainer Comb Matte Black Finished Stainless Steel Flick for Easy Safety Folding Flip for Sport Hiking Outdoor Indoor 8.9-Inch Overall: Kitchen &
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