So Track, and all the other sights are out of these items? If so make your own, a wood under rib can be beautiful. Pipes can be made from several different matterials.
Go the the 'builder'. sight. Good luck
Erwan, don't worry about your 'English' as we Americans don't speak it either:)
When I write an email to France or Canada I send my original english along with an automatically interpreted one in French.
If I knew how to PM you we could talk more on this subject.
I'm surprised no one's mentioned how good the leaves of HR can be. Young ones in the Spring for your salads and more mature leaves later in the year fried up with other greens, stews are great.