with ball cage and head strap. Head strap hold head of packer close to body to prevent semi erection bulge of some  of the more firm packers

Drop C ring no ball cage

Shown in AC briefs. It would be within the fly on the Hanes, for example only

Hanes Premium Ringer Hanes Premium Ringer
Champion Champion
Stafford Stafford
Drop C ring no ball cage Drop C ring w head strap