they are also made by STONFO. A trick I learned over the years( I've been tying for over 55 yrs.) is when your finished and have slipped the extended body off the pin . Lay it on a flat surface or table top and gently place you fingers on it and roll it under your fingers the table top back and forth a couple of times. this will create a cylinder effect and will close the gaps on the top and bottom of the body .Almost making the seem disappear . Try it .
