Here are some chip codes for you to use. These codes can only be used once.
Muramasa Blade M:
50098263
Variable Sword F:
63997824
Fumikomi Cross S:
76889120
Spread Gun:
31549798
Here are other codes.
Spin Red:
72563938
Spin Blue:
11002540
Spin Green:
28274283
Spin White:
77955025
Once you get the codes in the number trader. Go to Higsby and buy the chip. So that you would have 2 chips.