The glass shattered from the customer's son dropping it.
The repair went good! As always ifixit sent the part in great packaging and in great shape! It took a bit of time to repair the product but that is not a big problem when you see the satisfaction of the customer when they get their repaired product! The only thing I wish that ifixit sold with their repair kit is the copper tape, yes you can buy it from other places but (being a repair kit) it would make sense to include it, especially since the tape is a bit fragile.
When the glass is broken, be very careful to make sure none of the smaller broken pieces slip behind the logic board. What I did was I had the iPod in a plastic open bag when I removed the screen so it would catch any of the small pieces of glass.
Also make sure that all small remnants of glass and old adhesive is gone. If its still there, the new adhesive doesn't stick as well.
If you rip the copper tape, don't worry, it isn't essential in terms of being intact. What the tape does is it keeps the wifi from having external interference. As long as the tape is covering the correct areas, then you are fine!
To connect the digitizer cable (the cable that goes under the logic board) take your time and don't rush it. Go to the same height as the table you are working on, put the cable onto a very flat tool, and match it up that way. When you think its by the connector, push down on the logic board and up on the tool that you are using. By doing that, the connector should be stuck in the plug a little bit. To finish connecting it, remove the tool and push down onto the logic board until its back in place. Connect the rest of the display and turn on the iPod to make sure it works. What the digitizer does is it transfers the touch data onto the logic board, so if you aren't getting any touch functionality, then the digitizer isn't in all the way.
Finally, take your time! Set aside an hour or two to do this repair, especially because the parts are so small. The more time you have and the more relaxed you are, the more successful the repair is and the more you are able to learn about the product you are fixing!