It sounds dangerous but I have a hen that was given to me and she has a few long, sharp looking toenails. My coup is off the ground and they do not free range so no opportunity to scratch and wear down the toenails. Is it safe for the chicken for me to cut it's nails? Or should I be more worried about my own safety? If it's ok to do, how should I do it? Is it ok to use dog nail clippers? Do they have a vein through them like dogs do and is there a risk of bleeding?