What gets longer when pulled, fits between breasts, slides neatly into a hole, has choked people when used improperly, and works best when jerked?

7 10

46 45

40 42

71 47

21 20

46 46

24 43

28 40

25 10

53 44

51 45

54 40

11 40

9 40

35 43

24 20