A great age to start him out. Keep him going on the basics as we all return to those when we run into trouble with our swing. My 10 year old has been hitting a cut down 7 iron for two years. I wont allow him any other club much to his annoyance. However, this discipline is now paying off and he is becoming habitual with the club as well as his general set up. If you get him to accept this theory it will make it so much easier for him as he gets older. He will probably thank you for your sensible approach when he is on the tour!

Cheers,
Robert

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"Play to your ability, not your expectation"