Ted Williams calls it "hip cock."

However, for reasons of Internet profanity filters, the movement that he is referring to is now generally known as "Coil."

I address the topics of Coil, Hip Cock, and Cocking the Hips, in a number of pieces...

Because Coil is such an important concept, I have put together a page that pulls together some of my...

I have also created a couple of drills which are designed to help hitters work on Coiling and Cocking The Hips...