[Elecraft] How to prevent accidental Frequency-Changes?

[DM4iM]

Elecrafters,
when you are on a Frequency working someone or calling , it may happen
that you accidently touch the RIT-Knob and --poof-- the qrg is gone.
Even if VFO is locked.

Very bad in a contest when you are running.

To prevent this, I switch on RIT (if i don't forget).

What do *you* do to prevent this?

What did i miss?

Martin

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73, DM4iM