2 very small shuttles for celtic patterns. The can be woven through very small curves. A description how to wind the shuttles is added.
For instructions how to work with the shuttles look for " Celtic shuttle tatting demo " with Youtube. pdf: the first one is a German instruction how to wind the bobbins. The second shows how to work the knots. With " Thinking about Celtic Tatting " f.e. google finds easy to do free patterns.