Goal Keeper Model by Michael42er Tue, 3 Jun 2014 four bar linkagemichael42eryoutube Description Michael42er has produced another fantastic video! Taking the four bar mechanism and doubling it up he has produced that splendid goal keeper and football automata. Thanks Michael! Comments (1) umehta June 6, 2014 at 9:27 pm This is indeed very clever!This is indeed very clever! Comments are closed.