The term skateboard accessories is a broad term. It generally defines anything skateboard related other than skateboard decks, trucks, wheels, bearings, or shoes.

Some categories that fit into this classification would be: wallets, belts, bearing sprays and lubricants, hardware, stickers, patches, backpacks, rails (for grinding), rail (that attach to the bottom of your board), bandanas, posters, coozies, blankets, banners, keychains etc...

Reviews and more details of specific brands and types of skateboard accessories:

Girl No Wave Wallet

Black Label Zippo Lighter