I have tasline 100lb hollow (the spool says true breaking strain 140lb) on my Stella. Now I normally make my own wind on leader and happy with the strength I retain there. I want a backup if I have a bust off and need to re rig fast or can’t be bothered making leaders, so have been practicing FG knots with the hollow. After dozens of knots it always breaks just inside the rizzuto where the first of the FG wraps start and consistently at around 65-70lb, about 50% of true breaking strain. I’ve tired 20-50 wraps and still the same. This seems low to me. While unlikely to snap that through a fishing rod i would like to retain as much strength as possible. Any ideas? Does hollow not work as well as solid with an FG? I did have one idea where I double the hollow back inside itself and use the doubled section to do an FG. This seemed to work as the line never snapped at the FG anymore. It would always snap where the doubled section of Hollow finishes inside itself. At 100lb+. Is this a viable option? It does make it a slower re rig. Has anyone been using FG knots with hollow doubled inside itself?