I am aware of their existence, but they are not (?) available in my region, so I make them for my self. I use them to stretch a watercolor papers. I paint the

I am aware of their existence, but they are not (?) available in my region, so I make them for my self. I use them to stretch a watercolor papers. I paint the Kraft paper with a PVA glue and, when dried, cut it into strips.