RTABC Guide/Behind Chain Chomp's Gate
This is a guide for how to beat the star Behind Chain Chomp's Gate in 0 A presses.
Method
This method is advanced and not recommended for beginners.
After scaling the mountain to the Bob-omb near the cannon, Mario must grab the Bob-omb handsfree. Then, he must ground pound through a certain area in the "ceiling" of the area where the star is located and Mario will clip right through, grabbing the star.