Does anybody knows this film ? Have a look at the picture gallery and you'll find this : http://gallery.rge-films.com/LP-035/033.jpg and more on this page :
http://www.rge-films.com/Movies/LP-035/default.aspx

More information, including safety can be found here : http://www.mordor.u-net.com/smbd/nettles.html

Have much stinging fun !