To Make a UNBOUND clan tag or {GM} then u have to search up HxD(Hex Editer) LINK ------> http://download.cnet.com/HxD-Hex-Editor/3000-2352_4-10891068.html Because this is what you will be using. & the secod part is get a usb drive & put it in your ps3 & goto Mw2 & then put ur clan tag as GGGG so u can replace the 4 letters with {GM}. then goto Save Data Utility & goto the Mw2 Save Data & copy 2 ur USB(flash drive) & then plug ur USB into ur computer & goto the usb & then save data then BLUS30377-AUTO- & then u want to goto the MP & open with the HxD & u will see it say GGGG fill that in with what u want here are some *SYMBOLS*
You can Customise your Clan Tag with these symbols, simply by copy and paste them into the hex editor!
† ‡ ˆ ‰ Š ‹ Œ . Ž • — ˜ ™ š › œ ž Ÿ ¡ ¢ £ ¤
¥ ¦ § ¨ © ª « ¬ ® ¯ ° ± ² ³ ´ µ ¶ • ¸ ¹ º » ¼ ½ ¾ ¿ ☼ & then u should see the blue floppy disk & click it to save & put ur USB back in ur ps3 & goto Save Data Utility & goto USB & copy & then ENJOY