The amazing thing about Nike is, they continue to make more, new, better shoes Sandy...ha ha ha.
But I have these worn down just the way I like them, AJ. 
I a little embarrassed to admit this, but I am a bit of a collector... not overly so...but I do sometimes get attached to things... when I moved to Australia I decluttered and left years worth of cherished items...collected over the years. Didn't bother me at the time but now there are a few things...I wish I had secured in a safe place...books especially..they are my temptation...all kinds of books, old and new but especially the old ones. I could almost feel the history and people who touched those same pages as I leafed through... weird I know...but then I am an odd bird. 
Well hopefully those dusty pages are giving someone else some enjoyment these days.Hey thanks Jack for giving this some thought and posting that helpful information. I think I know the type of glue you describe. I'll make a trip to the hardware store and perhaps find a "friendly customer" who will take the time to point me in the right direction too.
Love to you both,
Sandy