Electrical solderless or soldered connectors

I have gotten away from the plastics, since I wired this. But I have problems finding the rings in anything but the plastic. I imagine I could have just pulled the plastic, which I did in other places.
I make sure Everything has an insulator, whether it comes with one or I use the shrink wrap.
Sometimes, if I make the wire a little too long and it sticks out of the top of the connector, I will solder the end of the wire to the connector and leave the rest of the wire free of the solder so it has flexibility and won't crack and break