product and the joint the ball headed screw is manufactured out of brass rod in a two stage operation the first stage is a standard turning operation carried out on automatic lathes the second stage is a stamping operation which is carried out on a special purpose machine built and designed by the applicant after the second operation the screw is lacquered to prevent tarnishing the rigid shanks are made with the back end the end that is not pointed finished to a diameter suited to the inner diameter of the brass adaptor the head of the ball headed screw is inserted into the polyurethane tube the threaded portion of the ball headed screw is attached to the adaptor either directly or using the ferrule depending upon the size of knitting pin adhesive is applied to the threaded portion to ensure that it locks tight the adaptor carrying the ball headed screw ferrule and attached to the polyurethane tube is then fastened to the shank with the use of an adhesive the above method results in an extremely smooth joint between the rigid shank and the flexible tube fig1 illustrates a perspective schematic view of the present invention the two relatively stiff ends of the pin are denoted by 1 whereas the hollow flexible connecting tube between the two pins is denoted by 2 the shank is made from rosewood whereas the hollow flexible connecting tube is made from polyurethane fig2 illustrates one of the ends of the pin or shank which is pointed at one end.