Good luck fatboy, that sucks. I did the same thing a couple of years ago after taking some photos up in the hills. I put my camera bag on the roof of the betty while loading other shit into the back. Totally forgot about it and drove off. Realised 25 minutes later when I got home, raced back up there but no sign of the bag (to be expected). Luckily for me I have accidental damage/loss on my contents insurance so I got everything replaced.

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[I]trolololol[/I]