5 1 of the hook element 5 and whose end surface possesses a bevelled or inclined portion 4 3 which is inclined in the same direction as the bevelled or inclined portion 5 3 of the body member 5 1 of the hook element 5 the width of the nose member 4 1 is the same size as that of the body member 5 1 of the hook element 5 and its inner surface 4 4 possesses a substantially v shaped groove 4 5 engaging in a form locking or positive fashion in this v shaped groove 4 5 is the apex or zenithal line of the body member 5 1 of the hook element 5 which follows the bevelled or inclined portion 5 3 and also with the position 34 hook closed 34 the uppermost surface of the hook 5 2 with the embodiment of stitch former depicted in fig5 and 6 the hook element 8 possesses in addition to a hollow throat or groove 7 for the reception of the thread or the like and formed by the hook 8 2 and the bevelled or inclined portion 8 3 of the body member 8 1 of the hook element 8 also a second hollow throat or groove 9 for the reception of the thread the closure element 10 likewise consists of a substantially rectangular hollow profile member and possesses a nose 10.