How do you fix a cracked shutter staple? To start, pull out the snapped staple away from the louver with a tool like of needle-nose pliers. Then apply some adhesive (like wood glue or epoxy) to coat the legs of a replacement staple. weave the staple through the loop on the louver and direct its legs into the previous staple holes on the tilt rod. For extra shutter staples, call us at 813-580-7288.