Day Forty-two - "Shooting the K". . .

And, shooting it literally! Can you tell me for what this item was used?

And, for our trivia aficionados,  The lyrics from the Byrd’s “Turn, Turn, Turn” were taken from what best-selling book? 

       
 "J" was the Jacket for one of my 78s – I put it on them because of the colder weather. They appreciate them :) We did have only three, make that four correct answers - Phil, Peyton, Joani, and EMO. But nobody knew that Richie Cunningham and Shirley Feeney first met and dated as a couple in the 1973 classic movie, "American Graffiti."