Remove a few outer layers of the corn husk, cut off the silks on the top, and then expose about half an inch of corn kernels on 2 opposite sides of the corn cob. Place the cobs on the hot grill and cook, turning at least once, for about 5-10 minutes, or until you see a few of the kernels looking a tiny bit charred. Remove from heat. Once cool enough, peel off the husks (most of the silks will have burned away.) Cut the kernels off the cob holding the top of the cob and running a knife from top to bottom.