MEZOOM 4 Pack Hand Tally Counters 4 Digit Display Metal Mechanical Clicker Lap Counter with Lanyard and Finger Ring for Sport Stadium Coach Referees School Event. very easy to use, handy strap to keep from dropping it during the action. https://www.amazon.com/MEZOOM-Counters-Display-Mechanical-Referees/dp/B07FKB1RM3 #Rankboosterreview #Mezoom #Michael