Online tally counters: what are they good for?

GOGO Hand Tally Counter, Handheld 4 Digit Lap Counter, Manual Mechanical Clicker for Row, People & Knitting

Ktrio Pack of 6 Color Hand Tally Counter 4 Digit Tally Counters Mechanical Palm Counter Clicker Counter Handheld Pitch Click Counter Number Count for Row, People, Golf & Knitting, Assorted Colors — Ktrio

4 Digit Number Clicker Golf Hand Tally Click Counter Silver

1pc Tally Counter Clicker 4 Digit Mechanical Palm Counter Metal Hand Clicker with Finger Ring Number Count for Golf Game Scores

Finger Tally Counter with Compass Digital Electronic Tasbeeh Counters Lap Track Handheld Clicker Re-settable Counter

Digital Hand Tally Clicker Counter Metal Tally Counter Number Clicker Base - Mini - Aliexpress

Hand Pitch Tally Counter Clicker–1 and 4 Pack METAL Handheld People Lap Clicker Counter with 1 Lanyard and 1 Carabiner – Manual Mechanical Silver Steel 4 Digit Number Finger Ring

Synced WiFi People Counters by TallyFi

Declarations Clicker – Bethel Store

GOGO Digital Counter, Electronic Tally Counter with Lanyard, Hand Digital Counter Clicker for Church School Library