Description Videos Reviews For the DIY'r, make your own slingbow bands for use with a mechanical release. Made from 14 strand B50 bowstring and served with .019" serving thread for perfect nock fit. Accepts both tubes and flatbands. All D-loops now come installed with the removeable leather finger tab for extra versatility. Colors of material may vary and are sent randomly. Be sure to check out the video found under 'product videos' on this page for more details. SLINGBOW DIY D-LOOP In this video we review how to tie your own bandsets for sling... 1 Review 5 Slingbow d-loop Posted by Jim on Aug 22nd 2017 Been using these for a while. They work great and saves me from trying my own. I use these with black bands cut at 1 and 1/8" by OAL 8" for hammer slingbow times 3 per side. Works great!