Spearfishing Tips & Techniques

Spearfishing Tips & Techniques - How do I get better at spearfishing? How do you learn to Spearfish? How do you kill a fish while spearfishing? How much weight should I use for spearfishing? Do you need a wetsuit for spearfishing? How do you practice with a speargun? What should I look for in a spearfishing wetsuit?