Congrats on a great looking Reo and Welcome to Reoville.
When I started it took a while for me to figure out patience when squonking, harder pressure does not help, even pressure for bit longer works great. I find a full bottle needs a count of
three while pressing and 1/2 bottle needs around a 5 count.
Here's the inverted V you want to cut in the bottom of the tube, a sharp paring knife makes it easy to do.