Describe the Suggestion

I suggest allowing for brass tunnels to allow for redstone input. It would basically enable/disable the tunnel. For example, if you have 3 brass tunnels, A, B, and C, with the round robin setting, and you give them all a redstone signal, none of them will output anything. If you turn off the signal on C, it'll output on C. If you turn on C, and turn off A and B, then it will apply round robin outputting to A and B. All tunnels would still take input, but only the ones without a redstone signal will output.

Screenshots and Videos

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Additional Context

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Also allowing for all tunnels to be placed on belts going different directions and still connect to each other would be nice.