Prick the crust bottoms all over with tines of a fork. (mattbites.com)
Press edges to seal and crimp using tines of fork. (easydessert.org)
Press with the moistened tines of a fork into a small bowl of granulated sugar, then press down on the top of each piece of dough until the tines leave an impression about 1 / 4 - inch deep. (glutenfreeonashoestring.com)