bullets for buttons :D

[F4thAcE]

so.. while i am waiting on my e74 error 360 to get back i wanna try doing a button to bullet controller i know that 38 special rounds will fit abyx and a 12 gauge will fit d pad and i know how to make the buttons work but how can i attach the 12 gauge shell for the Dpad and what would work for the start and back something a bit bigger than a .22 and what if anything would work for an analog stick and how would i attach that? thanks much if you don't understand sorry its late and im tired... (piled with homework)