The term used in the film King industry to refer to a clothespin. Stems from the old Hollywood film supply warehouse where the clothespins were on asile C, bin 47. Very handy tool for all aspects of filmmaking, commonly pinned to crewmember's shirts for easy accessibility.
Hey Bill, can you hand me a C-47 please, I need to pin this gel.
A small piece of information. Derived from the word ken, used often in the scottish language and is synonymous with knowledge.
Person 1: "Hey I don't get this shit. How do you solve this problem?"
Person 2: "I got that one. Give me some kenlets on this assignment and I'll help you w/ that one."