13-184 Garand picture of the Day - Korea

https://www.milsurps.com/images/impo...2000_0_7-1.jpg

Pvt. Dudley Lufkin, Hollywood, Calif. looks over a series of 'Burma Shave' type signs along a road in the First Cavalry Division area of the Korean front on July 9, 1951. They say, in series: 'Slow down, Joe

Is that a pullthrough cloth in his muzzle? To keep out the apparent dust on hand...