Step 1: Materials and junk
Tape, or fast drying glue
Scissors, or craft knife
An old mouse mat
A London After Midnight album (I prefer Phycho Magnet)
Step 2: Chopalot
Then cut about 2-3" x 0.5" off the mousemat
Then cut that in half.
Step 3: Taping
If you can be bothred you can make an end piece and glue it on, i carnt be bothered.
P.S. I lied at the beginning, i dont think you can take them onto planes, because they're such a deadly weapon.