With an automated pin-setter machine or manually. Depending on the type of bowling, resetting pins could be automatic or manual. Type pin setting machines are set up for 10-pin bowling and other forms of bowling with similar formations and pins. But if the formation and pins are to similar to 10-pin bowling, the pins are reset manually. Actual pin setters (people) can be used, where they physically reset pins after each roll or where they pull strings to pick up the pins.