On your big day off.....drive down to local river, and......
Wrap your fillet of fresh caught barra in al-foil, parcel style, suitably garnished with salt, pepper, tomato and onion - optional.
Place carefully on 'inside' section of exhaust manifold of the trusty old 'XW' or whatever.
Drive for about 20 mins / 30 kms.
Stop for a 'nature break' - and turn al-foil parcel over.
Drive for another 20 mins / 30kms.
Pull up under suitable tree / by suitable shady spot, carefully retrieve parcel, taking care not to spill juices / contents.
Serve with freshly opened 'cold can' from esky and enjoy!
Its OK!!!