Sentence:  Haz sits in the trailer for 10 hours straight, eyes trained on the patrons. If he sees the makings of a drug deal or a fight, he notifies the club's in-house security by walkie-talkie. It amazes him how indiscreet drug dealers can be—with the <WSD>bulges</WSD> in their socks and their melodramatic handovers—despite the presence of security guards. 
Meaning of the word marked with <WSD> tags:  Something sticking out from a surface; a swelling, protuberant part; a bending outward, especially when caused by pressure.