Play NYT Connections Puzzle #548 Sun, Nov 10

Find groups of four related words Need hints?

Solve NYT Connections puzzle #548 - Group 16 words into 4 categories: CASK, CYLINDER, DRUM, TANK, PILOT, USHER, SHEPHERD, STEER, COWBOY, JET, RAM, RAVEN, GOLFER, PENDULUM, SALOON DOORS, SWING.