Make whall path of low-cost "civil" building
first i try to use furnace , but they make hole between furnace
after ,i try Chest , but they cost lot in wood , and we can't make mass-production of wood
and finaly i tested the pipe , and it's very very very efficient , cost only 1 iron and are pefect for this job

here a screenshot

as you can see , the creeper folow the path like stupid sheep XD