Good work @sukaoleg123, but keep in mind that we aim to have the image cropped no more than 2-3 pixels from the chin while still having a collar.

Since in some sources, like this one, the person in the image has a longer neck than usual or the collar is lower down, the above would be quite difficult to achieve naturally. 

Here's a technique of how the above can be accomplished quite easily by lassoing the collar and nudging it upwards: