| INSTRUMENTAL | Device a beginner finds useful (12) |
| CONVENIENCE | Prisoner taking small measure into port finds useful device |
| WHIMWHAM | From reduplication and "to let the eyes wander", a word for a trinket; a ridiculous notion; an odd device; a sudden fancy or caprice; or, an 18th-century version of a trifle (4-4) |
| ENGINE | From the Latin meaning "talent, device", a word for cunning or genius; a weapon such as a ballista, battering ram or scorpion; or, a car's motor (6) |
| TRICK | Word for a crafty or mean device; a dexterous artifice; a prank; a habit or trait; or, an illusion (5) |
| WHIP | Political party discipline o cial; a crop-like device; a mousse-like pudding; or, the backbone of a windmill sail (4) |
| SWITCH | An on-off device; a flexible twig as a whip; an exchange or sudden shift; or, a false tress (6) |
| ENIGMA | Encryption device, a.k.a. ___ machine |
| FAN | A ventilating or cooling device / a sport or celebrity enthusiast or supporter |
| SHUTTLE | Derived from the name of a loom weaving device, a train, bus or aircraft that regularly plies between two points (7) |
| WHIPSTAFF | Former steering device, a vertical wooden lever controlling a ship's rudder (9) |
| LAST | Device a shoemaker uses after everything else? |
| SATELLITE | Communication device a command put in place |
| REGULATOR | Administrative device a ruler got wrong |
| SLOTMACHINE | Vending device, a feature in motels everywhere (4,7) |
| QUIPU | Old mnemonic device a joke at university (5) |
| FUSE | Safety device a fathead has to employ (4) |
| CAPO | Guitar device - "a cop" anagram? |
| ATM | Device a paycheck can be deposited in: Abbr. |
| CALCULATOR | Electronic device a local court deployed, missing nothing |