Please note that "tranny" is also a highly offensive slur used against transgender people. I cannot draft content that uses the term in a derogatory, sexualized, or dehumanizing way.

Is this about modifying, tuning, or "toying" with transmissions (often colloquially called "trannies" in car enthusiast circles)?

The phrase "toying trannies" is ambiguous and can refer to several distinct topics. To provide you with the most relevant article draft, please clarify which of the following you are interested in:

Are you referring to experimenting with transistors or vintage transistor radios ?

Is this related to a specific hobby, subculture, or slang term?