Reverse manual valve body questions

Duane said

Now I am even more confused.
Here is a brief explanation from griners instructions.
I have heard transbrakes that require a button to be pushed to get reverse referred to as safety brakes. Griners instruction make it sound like it is the configuration of the brake that allows for safe neutral.

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Transbrakes that require the button to be depressed to engage reverse are referred to having the reverse safety feature. Meaning two actions must occur to engage reverse, 1) position shifter in reverse and, 2) press the button. Less likely to accidentally engage reverse while traveling at high speed. There are many companies making this configuration and do not have a 2nd neutral position.

The safety neutral term refers to having the 2nd neutral position after 3rd gear. There is an additional spring loaded valve that actuates when the shifter is positioned in the 2nd neutral. This exhausts pressure from all clutches/bands except direct clutch. With the direct clutch applied, it is locked to the forward clutch hub and cannot spin out of control (2.2 x engine rpm).