I assume he is typically fed from a dish? Sometimes they can be intimidated by the motion of the forceps. Try getting him used to the forceps by touching his food with them while he eats from the dish. He will get used to the movement of the forceps as well as your hand during feeding time. You can gradually use the forceps to feed him near the dish and then eliminate the dish when possible.

Very few snakes require this type of acclimation, with many eating any way they can! With some snakes though, a little extra effort can make all of the difference. Good luck and keep us posted!