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I am a 25+ year scuba divemaster. Alas, poor fin kicking technique is very common, even among experienced scuba divers. First of all, selection of a fin which is too flexible is better than one w...
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I am a 25+ year scuba divemaster. Alas, poor fin kicking technique is very common, even among experienced scuba divers. First of all, selection of a fin which is too flexible is better than one w...