| The draw length is set by the cams, some are adjustable like the cam.5 to give a few inches of adjustment, but if you already have it on the shortest setting there are still a few options.
Putting a handle on the bow, adjusting the 'D' loop size and at a push putting some twists into the shooting string and taking twists out of the cables (making sure cams are still inside timing marks) will all help you reduce the draw length a bit.
If you are looking to lose an inch or more then, as rgsphoto pointed out, you may need the next size cam down, which would also mean new cables and/or new string |