This is about the production of the remaining part. Regarding the connection method, I found something relatively easy to use, that is, this wool strip has a certain thickness, but it is very fluffy, so it will fill all the space inside. In this way, this flexible joint will not shake randomly. It is a very stable fixed method. I later applied it to the connection of other relationships, but it may not be very mature, but it is a way of thinking.
chuyun lu‘s 