The Adjustable 3 Axis Knurled Thumb Pin: Designed for longer reach, The Adjustable Knurled Thumb Pin allows an archer to fully customize the location of their thumb in relation to trigger. The knurled thumb pin telescopes in and out with three hole locations and spins in and out on the post by loosening a lock screw. The locating peg fits most T.R.U. Ball thumb activated releases ensuring the thumb pin does not move on the trigger when tightened. The adjustable knurled thumb pin can be removed from the post to fit directly on the trigger if desired. The GOAT, Abyss and Blade Series of releases are some of the popular models the Adjustable Knurled Thumb Pin fits.