Although I am a bit of a neat freak one of my favourite methods for creating a jagged background is really messy. It is a one of those processes that gives the best results if you apply multiple layers of colour. Yesterday I took a piece of pre soda soaked cotton and started to apply thickened dyes through an open screen. I used a rust and half strength black colour family (as taught by Leslie Morgan at C2C). I roughly scrunched the fabric then screened on top, opened the fabric out, re-scrunched, screened on top ... over and over again with different colours. After adding quite a bit of colour I opened the fabric out and left on my bench overnight to dry.
Today I applied a second layer of colour using the same method and same colour family. I have left the fabric overnight to batch. Tomorrow I will rinse, wash and dry the fabric and assess the colours. I'll then soda the fabric again and keep going. It is time consuming process but the results are wonderful!