A small piece of equipment for measuring the relative distances between bowls from the target ball. It comprises a flat reel or winder, a length of linen twine and two arrow shaped pointers, one of which is threaded onto the twine in such a way that it can be moved along its length. The reel is embossed in gold with the words 'Drink Bass and be well' indicating that this is a promotional piece. The pieces are black and have a highly polished finish. Possibly cut from a sheet of casein formaldehyde circa mid 20th century. The reel is 60mm wide and 21mm deep and the pointers are 60mm in length x 6mm wide at the maximum point.