Hahaha---this is like the best story ever!   :)

Maybe each batarang has a mini-detonator which causes it to self-destruct if left unattended for too long.

Durakken, you seem to know an astounding amount about Batman and I have a question thats been bugging me for about a year now. His Batlines.

How does he throw them and does he collect them? Would he ever find that he runs out of them in the middle of pursuit and how do they winch him up half the time and just break off from the mechanisum the rest of the time? Also, how does he fire them form a small hand held device and still manage to reload them or does he have dozens of individual lines.

I know it sounds stupid, but its really bugged me for a while now how he uses it or even wraps it around people or things by throwing it. I remember in Under the Red Hood (the film) theres a sort of grapple thats fired  and has a motor in it that pulls them up and then zips back in like the line in Arkham Asylum but in basically every picture of him on a rope its just the end of the rope or with the tip embedded in something which doesnt seem to make much snese.

I'd be deleriously happy if anyone can explain to me about his ropes and I'd love to discuss it or something. yes I understand that the rope is one of the least interesting parts of his character but still, I'm kinda sad like that...

Adam West actually covered this in the original tv show, if I remember right... they had a truck go around the city to pick up this sort of stuff.  It was cheesy, but he was picking up after himself. 

Batman just calls Clark or The Flash to pick 'em up...

They are found and sold online as mementos. Or sold in stores around Gotham. Long time ago now, when Norm Breyfogle was doing Detective he would, now and again, pepper shots of Batman memorabilia being sold in the backgrounds. Batman always wears gloves when he uses them and I am willing ti suspend my belief that no one has ever been able to lift anything to trace him from them. Otherwise why would he use them?

@G-Man It would seem you have a lot of time on your hands, if you're thinking about stuff like this. I remember back in the sixties there was a whole Batman Annual dedicated to stories about The Batarang, what became of them. I believe this territory has been sufficiently covered, however, I'm sure we'll get some story in the DCnU that will cover this as well.

I don't believe he hasn't covered this contingency in some respect, and I'm pretty sure that he really only carries one or two at a time, and uses them only if the need arises. You stating that finding Batarangs takes away from crime fighting time is a straw man, as he would consider keeping his identity a secret as you state, a part of that process.

He doesn't collect them, in Batman 2 new 52 it is said that Bruce's dna and all dna's from batfamily are protected.

Alfred picks them all up. No one will question an old dude running around Gotham picking up a bunch of Batarangs. What, will they think he's the real Batman?

@GamerGeek360 said:

Alfred picks them all up. No one will question an old dude running around Gotham picking up a bunch of Batarangs. What, will they think he's the real Batman?

LOL poor Alfred but I always have thought they were like boomerangs that had some system that made they return to bats in some way or other