I recently began using plastic at virtually all spares, except double wood. I previously used it only for the 3-10, 6, and 10 pin. I'm still having trouble with anything left of the head pin (I'm a rightie). Seems I still can't throw it perfectly straight. Any tips for coming up the back of the ball? I know it sounds easy enough, but I'm still turning it ever so slightly and shying away from left-side spares (missing them to the right). I think my teammates want to kill me every time I miss an easy spare, but I don't want to give up.
Debbie