shown in fig8 as the next step the end 34a of the core 34 is unbraided as shown in fig5 and a knot 34b is tied using two strands from opposite sides of the core 34 the hook 32c of the fid 32 is then hooked around the knot 34b next as illustrated in fig6 the unbraided portion of the end 34a of the core 34 is whipped to the fid 32 using dental floss or thread as indicated at 41 the loose ends of the strands are then cut close using a knife 42 the whipping 41 is made as tight as possible to facilitate the subsequent steps as shown in fig7 a tight wrap 43 of cellophane tape is then made around the ends of the whipping 41 so as to form a smooth thin tapered transitional ferrule between the handle 32a of the fid 32 and the whipped end of the core 34 next the pointed end 32b of the fid 32 is inserted through the sheath wall into the tunnel defined by the empty sheath 36 at the point b and the fid 32 and end 34a of the core 34 are snaked or worked through the sheath.