1. IN AN APPARATUS FOR FORMING A LOOP ON A COIL SPRING, THE COMBINATION COMPRISING A SUPPORT MEMBER HAVING A SPRING RECEIVING AND LOCATING BORE THEREIN WITH AN OPEN END; A LOOP FORMING MECHANISM ADJACENT SAID OPEN END INCLUDING AN ANVIL AGAINST WHICH ONE END OF A SPRING WITHIN SAID BORE IS TO BE ABUTTED AND A PICK ELEMENT MOVABLE AGAINST SAID ANVIL FOR BENDING THE TERMINAL COIL OF SAID SPRING OUTWARD TO FORM A LOOP ON SAID SPRING; MEANS FOR POSITIONING SAID SPRING IN ABUTMENT AGAINST SAID ANVIL IN A LOOP FORMING POSITION, SAID MEANS COMPRISING AN AIR PASSAGE EXTENDING THROUGH SAID SUPPORT MEMBER IN OBLIQUE COMMUNICATION WITH SAID BORE FOR INTRODUCING A HELICAL JET OF AIR INTO SAID BORE; AND RETRACTING MECHANISM CONNECTED TO SAID ANVIL FOR SELECTIVELY RETRACTING SAID ANVIL FROM SAID OPEN END OF SAID BORE TO PERMIT A SPRING TO PASS THROUGH SAID OPEN END.