My purpose here, besides delivering to you that awful word play, is to compile a few articles and videos that I have found useful in my quest to explain more clearly how to make a massive sound on the cello without pressing or squeezing.
Test it out and see if it works for you!
He says, "From the upper two thirds out to the tip, I will probably lean on my first finger a bit more than the middle one." I much prefer the feeling of heaviness in ALL the fingers.
TRY THIS: To fight the feeling of leaning inward to create a bigger sound, think of your pinky as the finger that is taking on the job of tone production at the tip. It will take getting used to, but will help your sound production greatly.
Please DO read this article, as Krosnick's thoughts on energy flow are extremely useful!
In the article, Bonnie discusses how she produces a big, round sound by refraining from hunching over the cello and being mindful of the tension that tends to creep into cellists' shoulders.
She talks about how she simply guides the bow, letting all her arm weight fall into the string, while her flexible fingers "cling to the frog like suckers."