35 − 15 = 20Start: 35Arrival: 20Aim: 15Start 35 (3½ diamonds), arrival 20. Aim 15 = 1st diamond of the 1st cushion.
Joy System · Drill cards
Aim = Start − Arrival
30 − 15 = 15Start: 30Arrival: 15Aim: 15Start 30 (2½ diamonds), arrival 15. Aim 15 = 1st diamond.
Corner on the 4th cushion: 32.5 − 7.5 = 25Start: 32.5Arrival: 25Aim: 7.5The target is the opposite corner; the track line goes from 25 to the corner. Start 32.5, aim 7.5 = ½ diamond.
Low start: 25 − 15 = 10Start: 25Arrival: 10Aim: 15Start 25 (1½ diamonds), arrival 10. Aim 15 = 1st diamond; the ball comes to the 1st diamond on the 3rd cushion.
× 0.7 reading: 30 − 10 = 20Start: 30Arrival: 20Aim: 10Start 30, arrival 20, difference 10. 10 × 0.7 = 7 → aim 0.7 diamond on the 1st cushion. Along the 20 track line the ball goes to the 1st diamond on the 4th cushion.
× 0.7 reading: 35 − 20 = 15Start: 35Arrival: 15Aim: 20Start 35, arrival 15, difference 20. 20 × 0.7 = 14 → aim 1.4 diamonds.