Beautiful! If you'd have been at the PA Farm show this year he may have won Best of Breed over mine. Mine's tail was that long but ripped out his longest two sickles on a feeder-bowl-holder in the parrot cage I put him in for the winter. The bowl fits tightly into a holder that covers its rim, and each time the feather was caught in there. Your bird has a bigger comb, though he is probably 6 mos. younger. I think that is GOOD if it is flattish and doesn't stick up like a single-comb.
I bought a RSY K for my RSY H. She does well showing and is a very laid-back and gentle lady. This little guy is growing nicely so I showed him and he placed 2nd after an older RSY male. I am surprised how much black the males have, here and there! Hoping for more like her.
So how do they keep Onagadori? Maybe I should learn some tips for Yokohama-keeping. Obviously not have anything that will catch their tail feathers! How do you keep yours?