Simply lay them both horizontally, with the balls on either end (not the center), and loop them through each other. Pull tight, and you have an extended bungee.
60PCS Skytened 4inch Black Ball Bungee Cords | | 1 Inch Ball | UV 4.0 Inches
Holstein Housewares Non-Stick 12-Count Electric Cupcake Maker Makes 12, Black
0.35 Fl Oz (Pack of 12) unit:12, Black,Green,Navy Blue,Purple,Sky Blue,Violet
4 Sets Black Cake Box With Window 12" Black Round Cake Boards 12x12x8 Inch