The Mobius Strip is one of the 3 Fourth Dimensional Objects.
How to obtain:
1: You will need to collect 3 coca and give it to the coca nut cowboy at night in the 2nd island.
2: You will need to collect 3 coca and give it to The police officer in the police station.
3: Find The Dimensional Drifter and buy the Mobius Strip from him for $100,000