Fred Kelly Picks Freedom Finger Pick Pack D M

I was never satisfied with standard finger picks.
These really seemed promising because out of all of those I've tried so far, these ones really mimic the fingernail the most. The first fit was very uncomfortable - a rather sharp edge digging directly into my cuticles. So I did some filing and cutting (as recommended) after which they became much more comfortable. Unfortunately they also became worthless. That edge and overall length of the top part is important for the overall hold and leverage. Now they pull up away from the fingernails when picking.
I have quite small hands, or maybe better to say short fingers. I suspect that's my biggest problem, not the product.
So maybe someone with different fingers think they're fine. a lot of people recommend them on the web. And I must say they were really promising at first. But after rendering them useless I obviously can't send them back.
Oh well, if you have the extra cash....