Mini Crossbows do exist! The guy in the video self-made this little crossbow and demonstrates three different tips; a standard arrow point, a blunt tip for breaking things and a flare tip that will set fire to the target.
Now before you say anything your wondering why anybody need a mini crossbow? For personal Protection DUH! Next time someone tries to take out you wallet, instead of pulling out a gun, pull out this little sucker watch your victim MUGGER run away in a confused frenzy!
This thing is pretty powerful too! Watch the video after the jump.