[Shizuo blinks at the feed, very visibly surprised--mostly at the fact Riza's actually giving this idea any consideration in the first place. Honestly it'd sounded kind of dumb as soon as he said it out loud, but...]

Huh? Oh, no, I don't carry around things like that. [He's already enough of a walking hazard without having sharp objects of any sort on his person too?? Izaya generally has enough knives for the both of them anyway, and like hell's he going to share any similarity with that flea bastard if he can help it....but anyhow--] If you're talking about some way to take off the leash parts though, I guess I could probably get them off for you if you want. Doesn't look like it'd be too hard...