Interview with Ant Judge Freedive training for spearfishing. In a pool, in the ocean, in a lake, Ant is adamant that training improves your techniques so that you can improve your spearfishing. In this interview Ant lays out some gold nuggets about not only the advantages of pool training but also some specific techniques that you can try. As an experienced and highly regarded freediving instructor this interview has tonnes of insights and also provides a compelling reason why everyone should do a freediving course.