Late 1979 Lady Catherine, indulged, nurshied, expanded and exploited my primary kink. Quite well. If she chose I was granted a "Silly Sycle" as she liked to call them. Step 1 was a quick visit 5/10 mins max for final fitting and chastity testing followed by receiving at PO box a letter. 

Step 1, Build 1 Masturbation Prevention Device out of wood. 

Design requirements, inability to masturbate 100%,  ability for movement 100%

Step 2, Purchase wrapped, sealed or stapled shut the following, 100 color porn mags, 25 porn papers, 5 porn paper backs and 5 decks of porn playing cards.

Initiate contact when tasks completed.