This is a tutorial on how to make a pipe bomb.

1st step
Get a piece of metal pipe, usually 4-5 in long or 10-12 cm long.

2nd step
Put an end cap on one side of the pipe and fill it with gunpowder, tannerite or another combustible compound.

3rd step
Put an end cap on the other end of the pipe and drill a small hole in this end, this will be your fuse hole.

4th step
Put a fuse in the previously drilled hole. Lit and enjoy.

Note
Do not use this tutorial for malicious intent. pipe bombs are only legal if register with the ATF and always remember to check your local and state laws.