Are they babies, i have a het albino hes still under 200 grams and he hisses and stikes he is just not use to being held, just got to stick it out and hold them so they get use to it. It might hurt but its pretty much the only way is to hold them and remeber no quick movments nice and slow and steady, hope this helps bite marks are like gold metals lets you know your a snake owner haha good luck