Nah, you don't need any of that. First, use the deep hook hold, in or beyond the first joint of the second finger. Let the index finger float forward as if reaching for a trigger do get it out of the pinch. Take nearly all of the weight of the string on the second finger.
If you bring up Olympic archer on youTube you will see that most of them appear to be doing it this way. It doesn't hurt a bit. - lbg