Crokey

Crokey is a board game version of croquet. The board is a grid with each square representing approximately nine square yards of space. There are holes into which metal hoops are inserted, and the hoops hold plastic clips to designate order. There are three versions of the game in the rules: Sequence Crokey which is based on Golf Croquet, Crokey, which is based on Association Croquet, and Error Crokey which introduces a luck element. The game was apparently self-published by the designer under the name "Tactical Games."