If your string gets longer your cam will rotate in gaining draw length and poundage. If you buss cable stretching your cam will rotate out changing your draw length shorter. Twist up your string and see what happens

if you what to increaes your poundage on your bow twist up both to keep your draw the same. It will put more pressure on your limbs and you will get more poundage, but well increaes your brace height to.