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2.5 megabytes per second required. Let's talk four arm rotation with loose stagner today. So

four arm rotation in the back swing we want to focus a little bit on. And what that means is

when you swing the club back, your arm, so we're going to focus on your lead arm, which would

be left as a right hand in a golver. It's actually rotating. Your wrists might be twisting and

hinging or not hinging, but your forearm is also rotating.

So just for listeners at home, we've got Lou and Greg,

we're going to talk to us today as well about this.

Lou has got some data on his forearm,

and we're going to compare it to say some top.

Just think of forearm rotation this way,

if you can visualize this,

just so people know what we're talking about. If you put your left arm out in front of you, you see a thumb points rotation this way, if you can visualize this, just so people know what we're talking about.

If you put your left arm out in front of you, so your thumb points up your nose, like up to the

sky, and then if you just rotate your arm, so your thumb is now parallel to the ground, that would

...