| When i went through my flea kick I went through the same exact problem. As I moved on to more technical bassists like victor wooten and mike gordon, i realized that I was putting my entire arm into slapping, much in the same way flea did. when I broke that habit and started to use my wrist only, I could slap much more precisely and for a much loger period without fatigue or thumb soreness.
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I play in Ritual Bludgeoning, Vangough, and Justin Lawrence Band. Follow me on twitter @jerenmartin, and I will follow you.
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