New to concealed carry

I’m 5’7 and 155lbs so it seems to be hard to conceal without the butt of the grip sticking out the side and printing. At least with a T-shirt. Hellcat pro with N8 Xecutive holster. Anything to help or I’m doing wrong?

I’m 5’7 and 155lbs so it seems to be hard to conceal without the butt of the grip sticking out the side and printing. At least with a T-shirt. Hellcat pro with N8 Xecutive holster. Anything to help or I’m doing wrong?