Can't remember if anyone has suggested to you to add in newspaper balls to help P. Snake feel more secure and calm down a bit. Keep at it slow and steady. Our Brannagh was just a total witch when we got her and she's still not a snake I fully trust but with slow, steady, consistent routines and advice from this forum, we've gotten her a LOT more calm and accepting of humans. We've even recently started handling her bare handed (though the gloves still come out on feeding night....we ain't nuts! LOL)
~~Jo~~