In celebration of Easter (and the fact that I hate Peeps...)...

Back when I was living with my parents, my little brother and I used to play a fun game with Peeps. What we did was put them on a plate facing eachother and stick a toothpicks in them so it looked like they were facing eachother with a sword. We then put them in the microwave and they would start to expand and when one of the toothpicks touched the other Peep, it caused it to pop and deflate making it the loser. I still do that with my own kids now and is an Easter tradition just like coloring eggs.
 
I don't think it's the shooter. The bullet yaws terribly after the first few penetrations, and deviates from the original flight path. But for that matter, it looks to me like it happens even before then. Have a look around 0:08 as the bullet leaves the barrel, and then seems to be nose-high relative to the flight path. Perhaps this wasn't a stable bullet to begin with.
 
Back when I was living with my parents, my little brother and I used to play a fun game with Peeps. What we did was put them on a plate facing eachother and stick a toothpicks in them so it looked like they were facing eachother with a sword. We then put them in the microwave and they would start to expand and when one of the toothpicks touched the other Peep, it caused it to pop and deflate making it the loser. I still do that with my own kids now and is an Easter tradition just like coloring eggs.

You faced each other and put each other's peeps on a plate, speared with a toothpick, and then waited until your peeps expanded and touched, at which point one of them popped and then went flaccid.

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I don't think it's the shooter. The bullet yaws terribly after the first few penetrations, and deviates from the original flight path. But for that matter, it looks to me like it happens even before then. Have a look around 0:08 as the bullet leaves the barrel, and then seems to be nose-high relative to the flight path. Perhaps this wasn't a stable bullet to begin with.

I don't think the nails upon which the peeps were scewered helped any with maintaining a straight bullet path through the peeps.