An attachment for an engineering vehicle that has a first side having an outer surface, an inner surface, and a first plurality of surfaces extending between the outer surface and the inner surface defining a first plurality of holes having a hole diameter a second side having an outer surface, an inner surface, and a second plurality of surfaces extending between the outer surface and the inner surface defining a second plurality of holes having the hole diameter and a plurality of rods occupying at least some of the first plurality of holes and at least some of the second plurality of holes, each rod having a first end, a second end, a longitudinal axis intersecting the first end and the second end, a rod length between the first end and the second end along the longitudinal axis, and a rod diameter.