Fence barrier barricade impediment hedge block chain bumper hurdle obstruction rampart interference impediment curb Allow roadblock pale paling bar inhibition deterrent hindrance dam stumbling block handicap stop clog fender trammel cushion encumbrance shame buffer restraint crimp snag constraint bulwark pad shackle(s) drag manacle hobble fetter strike a/the wall a fly https://deanuzdgk.wikistatement.com/3976035/5_simple_statements_about_wall_explained