My pendulum pin is just like a 35yd fix pin and at differant angles thats when the pendulum comes into play.The problems you guys heard are with old low poundge bows. I hunt at differt hights and angles and the pendulum compencates for all of it.When Im ready to shoot Im steady and my pin does not move.The fix pins are adjusted out to 45yrds far enough.But like I said I`ve not miss one yet or made a bad shot(knock on wood) can u say this.With todays fast & flat shooting bows one pin is all u should need but the pendulum take the guess work out of angles-height and distance.Like I said I practice behind my house and my land is not flat and have tride to make it miss and wont.I`ll never go back to just fix pin.I just wanted to know why thats all.