TPC-4600 Coil Binding/Electric Coil Inserter- how to use crimping pliers for coil binding material free ,Coil Crimping Pliers are now included . The crimped coil aids in holding the covers and papers more securely. This easy-to-operate coil binding machine is constructed of die-cast metal and was designed for years of trouble-free use.Coil Hand Crimpers / Crimping Pliers - MyBindingHold it in your hand and take the coil crimping pliers. Be sure that the little red dot on the head of the crimper is facing up. Insert the coil crimping pliers into just after the last hole all the way in, squeeze it good with one fluid motion. You'll notice that both the cut and the crimp are done nicely.