C.S.Osborne & Co. No. 417 - Tufting Needle (MPN # 64386) 12in. Long, With instructions./ Osborne No. 417 / MPN# 64386 Working Process: 1.- At the start, assemble on the thread the corresponding quantity of clasps for the required number of stitches. clasp with thread in the hollow of the needle. 2.- Push needle (with ed clasps and thread) through upholstery fabric, press head of needle. Clasp with thread will be ejected. 3. - Pull the needle out and tighten the thread, clasp will be anchored inside.