1. The subtle science of prison walletage.
2. To be well versed in pocket holding in the socially ranked arbitrary hierarchy usually reserved to the incarcerated populations.
3. The fine art of decorative embroidery of one's pocket.
Rico had been expanding his capacity over the past 2 years. Pocketry helped him become the main supplier of the yard.
Prison bitches often practice pocketry as a survival mechanism.
Sally tailored Joker's pocket to Sleepy's liking. It featured a tasteful depiction of the Virgin Mary accompanied by Olde English lettering.