torobull, I've bricked a GL before and it was quite easy to debrick with a JTAG. I built my own but the ones on ebay work great as well.
If you're concerned of your soldering ability, you can use some solderless pin headers to install in to the JTAG port on the GL. Do a search on eBay for solderless pin headers. They're a few dollars each, get a couple just to be sure although I think the GL only requires 6 actual points to make your flash correctly.
Have a look at this link. It's not as intimidating as it seems: »www.tiaowiki.com/w/Debrick_Route···AG_Cable