Chives vary in shape from grass-fine to pencil-thick. The thicker the chive, the more flavor it packs. In order to chop chives safely, hold chives in a bunch and place on a clean cutting board. With a sharp knife chop chives to desired size. Keep in the refrigerator until they're ready to be used.
Try this Kitchen Shortcut with Grilled Herb-Coated Chicken Breasts.