You have a numbered feather. Pick your favorite number and put it on the feather. Then, put the numbered feather on your head. When you put it on, you're able to flip and flip over and over.
You're pretty good at your flip technique, but you're not that good. You really need to practice and hone (ほん) your skills and get better.
Currently there are no similar looking kanji which exist in the WaniKani learning system