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If S7 Can Opener fails, consider these alternatives:
The full version (v2.0) requires a purchase, after which a registration code is provided. Key Capabilities & Limitations
HTML stream overlays hacked ✅ 
This shit is the best
I carry a knife and it always frays my jeans on the pocket. I cover it with a nylon patch and it lasts forever.
I also repaired a down coat and nylon hammock with it. Amazing stuff 
here is the new CSS Border shape API
this is going to unlock so many sick new designs