把枪藏进风衣把刀藏进衣袖
[bă qiāng zàng jìn fēng yī bă dāo zàng jìn yī xiù]
The user is expressing the act of concealing weapons within clothes: putting a gun in the trench coat (风衣, fēngyī) and a knife in the sleeve (衣袖, yīxiù). This name gives an aura of stealth, vigilance, or a sense of protection from unseen dangers.