How should I go about doing it?
Look at the youtube video on assisted hatch.It shows you.Use a tweezers..its small andeasy to pick small pieces off5 days?Holy cow hes a miracle chick!.It makes you scared to do but if hes alive and you want him to have a chance to live thats what you have to do...scary but only way....Its up to you though but i truly dont think he wiill hatch on his own if its 5 days.He must be so weak by now