Ah, I assume you mean patching in general. I've been doing it since I was just a little chipcom and these days get laughed at because I still not only use glue, but keep a lighter in my pack so I can light the glue to 'vulcanize' it to the patch....which is probably not necessary, but old habits die hard.

The nice thing about old tubes tho...you can practice patching to your heart's content.