While these terms have been used historically in specific industries (like automotive or legal shorthand), the word "tranny" is widely recognized as a slur in other contexts. If you are looking for office supplies, you will find more accurate results searching for "transfer clips" , "prong fasteners" , or "transcript binding clips" . PAPER CLIP Definition & Meaning - Merriam-Webster
In DIY audio communities, "tranny" is sometimes used as shorthand for transformers . Clips in this context might refer to mounting brackets for transformers within microphones or amplifiers. tranny clip