5 Feb 2017 Amazon.com : Andux Land Metal Practice Balisong Butterfly Knife Trainer, Training Tool Knife Tool CS/HDD01 silver We don't know when or if this item will be back in stock. .. It's a nice cheap practice butterfly for beginners learning tricks. 25 Jun 2017 24 Oct 2017 3 Oct 2017 21 Nov 2017 12 Aug 2017 Andux Land Metal Practice Balisong Butterfly Knife Trainer , Training Tool Knife Tool It's a nice cheap practice butterfly for beginners learning tricks. It has a15 Sep 2017 29 Mar 2017