No, just make sure the rest is verticle while its down, there is a screw you can losen and it pivots in the holder. It doesn't matter where the arrow sits when the bow isn't at full draw, just make sure that when its at full draw your knock is in the right place and the bow is tuned. If i have time tonight i'll send you some pictures of what mine looks like on my hoyt ultra mag. If you go to the companies web page, you can find instalation instructions.