Bullkllr, on my bows (NAP 4000) the arrow is not in the rest when it's down. There is a rubber piece to glue on the shelf. That helps hold the arrow when not drawn. As you draw, the rest picks up the arrow centering it in the prongs. It works pretty well.
Phil.
"Could you guys be quiet, my dad's trying to shoot."<img src=icon_smile_shock.gif border=0 align=middle>