...just so this thread will be complete and even thorough:

In tsuwm's lexicon extraordinaire, he reminds us of the worthless word for the gap area between buttons and snaps:

gaposis

I assume the plural is gaposes.

Edit: Apparently gaposes are undesireables--gaps that are gaping or a condition of unwanted gappiness. Here's a practical suggestion from one site:

Take Velcro Spots: for that missing button, gaposis, or a hem that is torn, these spots are great. Use them for slipping shoulder pads.

http://caitlondon.com/CareerTips.html