A.P. van den Berg - ST-Rods – the (un)folding CPT string!

Next to the AR-Rods and 2R-Rods, A.P. van den Berg created the Ø36 mm ST-Rods. Because these CPT rods have a self-seeking bayonet thread, they close effortlessly and require just a final, short, single twist to become firmly interlocked, hence the name SingleTwist-Rods.
Surf to http://www.apvandenberg.com/st-rods-the-(un)folding-cpt-string!/1 to read the full article.