This outline may be helpful:
The Values in Popular Piety (61-64)
Deviations in Popular Piety (65-66)
The Subject of Popular Piety (67-69)
Pious Exercises (70-72)
Liturgy and Pious Exercises (73-74)
General principles for the renewal of Pious Exercises (75)
And with that, chapter two begins:
60. Reference has already been made to the Magisterium of the Second Vatican Council, and to that of the Roman Pontiffs and the bishops, on the subject of popular piety(Cf. DPPL 2). At this point, it seems opportune to provide an organized synthesis of this material so as to facilitate a common doctrinal orientation for popular piety and to encourage a consistent pastoral approach to it.
The full document, the Directory on Popular Piety and the Liturgy, is online at the Vatican site.