Originally Posted by Moedeenie
I have made bags with magnetic snaps and I put the prongs through the lining and fusible fleece as I think the lining will wear thin around the snaps. In fact I also place a small square of interfacing with 2 slits cut in it for the prongs behind the FF for added reinforcement. Hope that helps.
Haven't made that particular bag but that is how I reinforce mine, too. You can also reinenforce it with the heavy pellon or timtex to help with the wear.