For Card Counters, the Ultimate Countermeasure

This page is the CodyCross answer for the clue below from Games, Group 948, Puzzle 3 (Capture the Flag).

Question is: For Card Counters, the Ultimate Countermeasure

and the answer is: BARRING

Word Meaning:

BARRING — (collective) Bars; an arrangement or pattern of stripes or bars.

Definitions from Wiktionary.