1: One person take one ends of the skinny and one person takes the other end of the skinny. The third group member will be responsible for filiming.
a82de4e8ca2d43478511f67d51d5282b
2: Constructive Interference-both flick down on the ends of the slinky at the same time.
9245fe85b6e54e71ba323afe551cc602
3: Destructive Interference- one end will flick the slinky down and the other end will flick the slinky up at the same time.