Have a look at neoprene glues like Black Witch or Stormsure.
http://www.ebay.co.u...=item51c58ebbd1
http://www.ebay.co.u...=item2597db667e
I have never repaired one but that's the way I'd go for a temp repair.
There must be pro repairers out there though.
Just a thought, "4RE Leather" might have a contact ? I know his field is leather, but he could maybe know someone.