Thanks Megabit, I was leaning that way as I heard from a fellow this morning about a twisted core in a Quirt that spun so much it was breaking strings. I've also noted that it's happening on my 6 strand bosals and not apparent on the 8 stranders. Maybe not enough outside cover to overcome the twist. Well, go back to braiding over 2,3,4 strings for core for the size I'm looking for. Thanks for the help.