I don't know what this is, but it's freakin' me out.
I just found out they hurt, because they ended my run...
Image doesn't seem to work :(
https://drive.google.com/file/d/0B21bNGf_7lj6cjdBWDdnbnJtS2M/view?usp=sharing
That looks like leftover lasers from a quad laser. Maybe this is related to your other quad laser issues hmmm