I have done my best to reconstruct what must have been going through my dog's head when the incident occurred:
Hey. Something smells good.
Must be dinner time again! Yay!
[It is completely dark out, and everyone is asleep]
Hmm. Not seeing anything in my dish.
But there is that yummy smell* again. It must be for me.
Aha! It's coming from way up high on that table over there.
Don't worry guys, I can still reach it.
[Grabs with teeth for object while on tippy toes of hind legs]
Ow! Ow! What the @#?%!
Ouch! Tasty though.
I should keep eating. Maybe it will be easier if I eat more of it.
Ow! OK. That's it.
Just one more bite.
[After two days of painstaking pulling of bristles from his ears, face, and paws, plus $447 in vet bills for x-rays, fluid and medication injections, with the potential for surgical removal if the sharp metal spikes in his gut don't come out on their own]
*Brush had been used to clean grill after the pool party burger event.