i'm new to sewing, just finished a couple silnylon stuff sacks. i've noticed that silnylon doesn't really fray. i was wondering if over time it will and if i should use a different stitch other than a straight stitch. i have some plans for a frameless pack and i want to do it right the first time so it doesn't fall apart. i had cut up an old walmart tent to make one out of just to test with, then i'll use silnylon for the real one.