difficulty = 5

A boardslide is when you use the middle of the bottom of the board to slide down a rail or pole. To do a boardslide, roll towards the object you wish to rail with your back towards it. Then ollie, twisting yourself and the board 90 degrees, so you're facing forward. The middle of the board will land on the pole, and you'll slide down. As with the grind, try building a small railslide to practise with.