I decided to start a new thread about Tika's tube collar due to the fact I have experienced a lot of good results with it. The theory was influenced by a make change short-term tube collar to get a Goffin with feather plucking challenges that I found on the net. https://bookmarkspiral.com/story20283961/helping-the-others-realize-the-advantages-of-getting-a-pet-bird-advice