How to stop criticism

From Naewna, January 31, 2015
Title: To readjust the attitude may not enough…
Caption: Need to use muzzles too.
[After seizing power, the military frequently invited outspoken Thaksin supporters including Red Shirt leaders and anti-junta groups for “attitude readjustment.” However, in the wake of the U.S. envoy’s criticism of Yingluck’s impeachment, several began to speak up again. The cartoonist contends the only way to stop these people from speaking up for Thaksin is to muzzle them.]