This Twitter user managed to get hold of SHINPEI's guitar pick from the crowd at BREAKERZ LIVE 2019 ~Kin Niku Houkai Matsuri SHINPEI's BIRTHDAY~
https://twitter.com/sinesinesine/sta...14453022347264
Also with regards to the new song Broken the guys performed at BREAKERZ LIVE 2019 ~Kin Niku Houkai Matsuri SHINPEI's BIRTHDAY~ for the 1st time during the encore segment , SHINPEI is said to be the 1 who created it
http://blog.livedoor.jp/joechang/archives/1937187.html