what is it? its a divice that keeps the front end from truing in fast riding
what does it do? it saves your ass when you loose controal of your maching it keeps the sheels from turing like when i hit a hole it keeps the wheels stright to little turn as possible
whats it look like? its like a rod in a tube that clamps to your stering stem
are they good to have? yea kinda
should i get one? if u feel like spending like 200 for one