I've said it before and i'll say it again, the whole reason Tiger changed his swing is to get rid of the stuck or block. He feels he can do it better by having the shaft at the top be very close to the shaft angle at address.
Whether he figured it out, or had Haney do it, I don't know.
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I'm not a TGM or PGA certified Pro, but I did stay at a Holiday Inn Express last night