I couldn't find the link to where this came from as this link just takes you to a pic. But, I'm posting it anyway because this idea is a good one. Obviously, the site is not written in English, but the pics look self-explanatory.
eco friendly necklace. No tutorial but simple enough to copy.
Tutorial how to make a carpet with trapillo | my world of wool
Upcycled Teal Tshirt Necklace with Silver by TheHoneyHoleShop, $30.00
Complementos de trapillo
BRAIDED NECKLACE,Sailor Knot,Nautical Style,Blue Navy and Beige,Knotted,Braided,Woven,Rope Necklace
BRAIDED NECKLACE - Sailor Knot - Nautical Style - Blue Navy and Beige. €18.00, via Etsy.
Trucos y Atajos para Tejer con Trapillo - Tutorial en Español aquí: http://sweetandknit.blogspot.com.es/2014/08/trucos-y-atajos-para-tejer-con-trapillo.html