When the LEGO DC comes 76182 Batman Cowl was first revealed, something felt a little off, well to me at least. Builder Glen Tanner
There’s a video guide to show you how it’s attached after putting the pieces together. The downloadable instructions in pdf can be found on Rebrickable. According to Glen, you’ll need another 56 LEGO elements to complete the build.
This is just a copy of the version that @let_them_fly_lego released ages ago.