Twill applique

seawing twill applique and having trouble with the twill fraying.made the steihl stich wider and helped some .are ter any other tricks to stop this fraying

What size blade, and cutter are you using? How much down force?

If you have a soldering iron you can melt the edges with that. You can also try using some liquid glue that will penetrate the twill then cut it or melt the edges. The biggest factor is what is your twill made of?