I actually did it. Are you doing them on the door? That is what I did because getting them off and saving them is hard to do.
I put the window down and tape up the chrome bead. Then applied the adhesive carefully not to get it on the sweep part . Put the window up and apply the flock . I used an old salt shaker with a metal top and the holes drilled bigger . Let it sit and blow the access off with light air pressure. It looked good when done but the look didn't last as long as I thought it would.
And yes I did do a lot of Ken dolls for my wife over the years . They were done for show appearance not to be played with.