Pouch for supporting the male genitalia that is fitted to the body with no other strings or straps except the waistband. A brand of jockstrap from manufacturer "Jock
Sock"
popular during the 1950s and '60s.
It's a little known fact, but the trade mark character "Nude Dude" that advertised the eponymous brand of
truss in comic books and men'
s magazines in the 1950'
s was based on a linocut portrait of Herman Melville from the frontispiece of his novel "Redburn", modified with short back and sides.