Why? There're spoilers for chapter 57, that's why!
The nice salamander tattoo on Hawkeye's back will be a nice catcheye for hentai artists'... but won't it be a bit difficult to draw it every now and then?>D
Roy: Riza, just lie down.
Roy: 'better not show them the tattoo...
Poor Roy and Ai won't be able to do more Kama Sutra positions.T_T
On a side note, I tried drawing the tattoo, it's really simple, but a bit hassle to draw if you're planning to show a lot of Ai's back.X3
Just a random stupid thought.^_^;;