>I have only used tongue blocks when I want to play >more than one note, and they are not adjacent. I also >use my tongue for assistance in bending, and I wonder >how I would do this with my tongue up against the >comb.
Who says you need your tongue to bend?
Sure, the tongue is helpful. But the front part of the tongue is the only part used by tongue blocking, and you don't need that for bending.
Bending has two components, a tuned chamber in your mouth, and an activator where tha air stream is narrowed. If you use your throat as an activator, then all the soft tissue from that part forward - including a large part of the tongue - can be used to tune the chamber by changing its volume.
You may be using the tongue-trough bending method, where the activation point is on the peak of the humped-up tongue and the tongue slides forward and back in the mouth to change the chamber size. This method works fine when puckering, but you can fall into the trap of thinking that the chamber changes size only in a front-to-back direction (it can go in any direction) and that the tip of the tongue needs to be free to change chamber size.
Winslow
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