Prepare materials and tools: twoDrink bottle, two high spikes, a string, washi tape, and scissors.
1. Cut off the mouth of a beverage bottle.
2. Cut another beverage bottle to leave the part in the picture.
3. Use paper tape to stick the two plastic bottles together.
4. Fix the two high spikes on the bottle cap.
5. Glue one end of the rope into the bottle cap.
6. Glue the other end of the rope to another bottle Cover.