Draw leader that has several arrow head(straight type)
 
   File name : MLEAD.LSP

  Select several lines and Pick two point, then program 
insert arrow head blocks at every cross point of selected lines and leader line.
 
Example
Select lines:[Select three lines using cross box(p1,p2)]
Pick first point: {p3} [Pick start point of leader line]
Pick second point: {p4} [Pick end point of leader line]