Stones with holes in.

Visit to allotment site today for a fresh air walk, to collect fresh herbs, rocket leaves and carrots.   Love to visit this plot - belongs to a gardener by profession and there is always something interesting to find.  These are stones she has found with holes in and has strung them up.  Behind, just out of focus,  is mistletoe that she has seeded just as a bird would do.  Doesn't look as if it is going to bear the distinctive white berries though.