There are many instructables and guides for making Bo Shurikens, or what is known more commonly to Westerners as Throwing Spikes. This is my first instructable ever so this is more for my education than anything else. So constructive criticism, ideas, and your input are all welcome, just be sure to keep the be nice policy please.
Step 1: Supplies
These supplies are very easy to access, and may even be found quite cheaply if you scour garage sales and such.
-6 inch Rafter Nail
-Bucket of Water