%% 
%%  A DANTE-Edition example
%% 
%%  Example 08-02-4 on page 98.
%% 
%%  Copyright (C) 2011 Herbert Voss
%% 
%%  It may be distributed and/or modified under the conditions
%%  of the LaTeX Project Public License, either version 1.3
%%  of this license or (at your option) any later version.
%% 
%%  See http://www.latex-project.org/lppl.txt for details.
%% 
%% 
%% ==== 
% Show page(s) 1
%% 
\documentclass[]{article}
\pagestyle{empty}
\setlength\textwidth{153.70511pt}
\setlength\parindent{0pt}

\usepackage{pstricks-add}

\begin{document}
\begin{pspicture}(3,4)
\psset{linewidth=3pt,hooklength=5mm,
    hookwidth=-3mm}
\psline[linecolor=blue]{H->}(0,3.5)(3,3.5)
\psline[linecolor=red,
  hookwidth=3mm]{H->}(0,2.5)(3,2.5)
\psline[hookwidth=3mm]{H-H}(0,1.5)(3,1.5)
\psline[linewidth=1pt]{H-H}(0,0.5)(3,0.5)
\end{pspicture}
\end{document}
