PRB stands for Prolonged Rocket Boost. Note: If you cant Snake then please check my snaking guide 1st. Ok 1st of all PRB is when you constantly Snake anywhere without slowing down. You can Snake without slowing down over Water,Grass,Sand, Ect. To do you must know how to.
2.How to get a perfect start. Note: You must get the really long boost to start PRB'n. So once 2 has almost got to its biggest, hold A.
There are a few karts that can only PRB in MKDS.
1. Dry Bomber (Very easy to PRB)
2. Egg1 (Easy)
3. Mushmellow. (Hard)
4. ROB-BLS (Very Hard)
5. Standard Kart (Professinal + Expert)
Tips. Reverse PRB. You can start PRB off of Zippers (Boost Pannels,) Here are a few courses you can practice on.
I Prefer SNES Mario circuit for PRB and GCN Luigi Circuit for Reverse PRB.
End of Guide.