▁required ▁to ▁" im medi ately " ▁respond ▁to ▁these ▁emer gency ▁signals ▁or ▁the ▁sound ing ▁the ▁storm ▁bell , ▁but ▁also ▁in ▁other ▁emer gen cies , ▁such ▁as ▁fire ▁or ▁flo od , ▁no ▁matter ▁what ▁other ▁work ▁or ▁activity ▁was ▁in ▁progress . ▁The ▁striking ▁of ▁the ▁bell ▁was ▁called ▁Ger ü fte , ▁for ▁example , ▁in ▁the ▁Mün ster land . ▁ ▁Main ten ance ▁▁ ▁To ▁construct ▁the ▁land wehr , ▁the ▁local ▁territorial ▁lord ▁would ▁use ▁all ▁his ▁subjects ▁in ▁a ▁service ▁known ▁as ▁soc age . ▁Like wise ▁the ▁whole ▁population ▁were ▁required ▁to ▁maintain ▁it . ▁Many ▁land wehr s ▁were ▁built ▁and ▁maintained ▁joint ly ▁by ▁neighbour ing ▁princes , ▁for ▁example , ▁in ▁Central ▁H esse , ▁the ▁land he ege ▁on ▁the ▁H ör re ▁between ▁the ▁county ▁of ▁N ass au ▁on ▁one ▁side ▁and ▁the ▁Land gra vi ate ▁of ▁H esse ▁and ▁county ▁of ▁Sol ms ▁on ▁the ▁other . ▁ ▁The ▁construction ▁and ▁maintenance ▁of ▁land wehr s ▁had ▁to ▁be ▁carried ▁out ▁with ▁a ▁long - term ▁perspective . ▁Even ▁with ▁constant ▁and ▁time - consum ing ▁care ▁( H egen ▁und ▁Pf legen ) ▁it ▁would ▁be ▁ten ▁years ▁before ▁an ▁im pen et rable ▁h edge ▁was ▁created . ▁In ▁addition , ▁the ▁d itch es ▁and ▁H ähl weg , ▁a ▁pat rolled ▁road ▁along ▁the ▁land wehr ▁had ▁to ▁be ▁kept ▁free ▁of ▁veget ation ▁and ▁maintained ▁in ▁working ▁order .