There are definitely some basic items that every skateboarder should have especially to prevent certain injuries since it is quite an intense sport with falls whenever one tries to learn a new trick.
With good shoe cushions, one can actually prevent heel pain that is even common among those non-skaters.
Video Source
Those who often attempt skateboarding tricks would know the importance of getting skate wax.
By simply applying skate wax would reduce friction on surfaces to allow easier slide and grind for all sorts of tricks.
The wonderful performance of skateboarders may have their individual must have items and the videoclip above would have highlighted a few for consideration.