BARBOOT is a simple and economical means of supporting and spacing rebar reinforcement vertically at the base of drilled shafts. available at blink2bike BARBOOT plastic rebar supports stabilize the entire rebar cage vertically within the drilled shaft and provide proper clearance between the reinforcement cage and the earthen surface. An additional advantage of rebar reinforcement boots is that the encapsulation of the ends of the vertical rebar provides added corrosion protection.