wers ▁( watch t ow ers , ▁W igh ä user ▁or ▁gate ▁to wers ). ▁At ▁the ▁border ▁crossing ▁points ▁there ▁were ▁usually ▁also ▁custom s ▁posts . ▁The ▁luc r ative ▁right ▁to ▁charge ▁to ll s ▁( Z oll recht ), ▁often ▁in ▁connection ▁with ▁the ▁right ▁to ▁sell ▁alco hol ▁( K ru gre cht ) ▁could ▁be ▁given ▁to ▁local ▁far mers . ▁ ▁Const ruction ▁▁ ▁Most ▁land wehr s ▁consisted ▁of ▁a ▁simple ▁d itch ▁as ▁an ▁obst acle ▁- ▁on ▁the ▁pla ins ▁this ▁was ▁also ▁a ▁water ▁channel ▁or ▁mo at ▁- ▁behind ▁which ▁was ▁an ▁ear then ▁bank ▁made ▁of ▁the ▁spo il ▁from ▁exc av ating ▁the ▁d itch . ▁Be hind ▁the ▁bank ▁was ▁the ▁main ▁bar rier ▁itself , ▁a ▁ 2 0 ▁to ▁ 5 0 ▁met re - wide , ▁dense , ▁im pen et rable ▁th icket . ▁In ▁ ▁u pl and ▁areas , ▁the ▁route ▁of ▁the ▁land wehr ▁conform ed ▁to ▁natural ▁features ▁such ▁as ▁rocks , ▁ste ep ▁s lop es ▁and ▁water c ourses . ▁O ften ▁a ▁second ▁d itch ▁was ▁d ug ▁at ▁a ▁distance ▁of ▁ 1 0 ▁to ▁ 3 0 ▁metres . ▁ ▁The ▁stri ps ▁of ▁veget ation ▁and ▁the ▁emb ank ments ▁were ▁covered ▁with ▁a ▁h edge ▁of ▁horn be am ▁cut ▁back ▁to ▁the ▁height ▁of ▁a ▁man , ▁whose ▁branches ▁were ▁bent , ▁inter tw ined ▁with ▁the ▁other ▁branches ▁and ▁stuck