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.
Another tutorial for the T-shirt shrug. This one draws a slightly rounded out line along the cut neck line.
Reciclar y Transformar Camisetas para el Verano
Con este truco nunca más tendrás que planchar, ¡por fin!
decoracion con papel crepe en el techo - Buscar con Google