Quote Originally Posted by yorib
To echo Lukie's sentiment: One thing I've started doing, which has had much success, is to check hands like AK on A (or K) high flops just to mix things up. It becomes very difficult for AQ to get away from an A high reraised hand where you check the flop.

FWIW: A high is very different than K high, more people will call with an A than with a K.
It also controls the pot size which is good when all you have is TPTK.