From, Raúl Zibechi, Dispersing Power, pg 51-2:
It should be noted that the road blockades constructed by rural farmers materialize in a different way than traditional workers’ barricades. While these [worker’s barricades] are more or less compact fortifications, in which demonstrators are ensconced to defend themselves (military-style), rural blockades are like a carpet of stones spread over 500 meters along the road. This means that there is no _one_ place to defend but a large extended area, which does not require the presence of people to be effective. The _compesinos_ are dispersed in the surrounding hills from which, based on their territorial advantage, they can harass the state’s forces, making it difficult for them to advance as a result of their inability to concentrate their forces on one point of resistance. At [traditional workers’] barricades, the human presence is crucial to their effectiveness, because otherwise the enemy will take them easily, but [the rural approach of] the tapestry of stones itself delays and impedes the forces of repression. Meanwhile, as the security forces are held up, rebels move to make another stone barricade further up the road, wearing down their opponents. Sometimes barricades are constructed to form part of the road blockade, as one more component of the tapestry of stone.